{"title":"20%折扣","description":"","products":[{"product_id":"duukaudio.com-nobsound-ns-08e-mini-vacuum-tube-headphone-amplifier-hifi-desktop-stereo-audio-preamp","title":"Nobsound P32 Mini Vacuum Tube Headphone Amplifier Desktop Preamp","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli data-sourcepos=\"7:1-8:375\"\u003e\u003cspan\u003ePowerful Output for Any Headphone: With up to 1000mW of power, the P32 easily drives everything from sensitive earbuds to large gaming and high-impedance headphones (24-600Ω). You'll hear loud, clear, and dynamic sound, finally unlocking what your headphones are truly capable of.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli data-sourcepos=\"10:1-11:291\"\u003e\u003cspan\u003eAlso a Tube Preamp to Boost Your Speakers: Connect from 3.5mm jack and use P32 as a stereo tube preamp to add warmth and character to your desktop active speakers or a home power amplifier. P32 provides a significant upgrade to your entire sound system.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eWarm, Rich Tube Sound: Instantly upgrade your computer or phone's audio with the warm, smooth sound of vacuum tubes. The P32 makes your music feel richer and vocals clearer, bringing new life to your favorite songs, allowing music lovers to hear more detail without any distracting background hiss. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli data-sourcepos=\"16:1-17:287\"\u003e\u003cspan\u003ePlug-and-Play with All Your Devices: The P32 works with various sources, featuring both RCA and 3.5mm AUX inputs to connect with your PC, phone, TV, or tablet. For your headphones, it has both 3.5mm and 6.35mm jacks, so you'll never need to search for an adapter again.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli data-sourcepos=\"19:1-20:295\"\u003e\u003cspan\u003eFuture-Proof Customizable Sound: This is a headphone amp that can grow with you. For those who like to experiment, the vacuum tubes and op-amps are swappable, allowing you to easily tweak the sound. You can explore the HiFi world at your own pace without needing to buy a new device.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e1. Please use the supplied DC 5V\/2A power adapter to ensure optimal performance of the P32. If using other power supply, make sure it provides at least 2A current. Otherwise, the P32 may not function properly. \u003c\/div\u003e\n\u003cdiv\u003e2. The RCA and AUX inputs, as well as the 3.5mm and 6.35mm outputs, work at the same time. Please don’t connect the two inputs at the same time, or else audio signals will be mixed.\u003c\/div\u003e\n\u003cdiv\u003e3. P32 adopts 2PCS pluggable NE5532 op-amps, which can be upgraded by LME49720NA-DIP-8 or any other dual op-amp in an 8-pin package with an output current exceeding 50mA.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e4. \u003c\/span\u003e\u003cspan\u003eP32 adopts pluggable tube socket, default 6J5 vacuum tubes, can be replaced by 6J1, 5654, 6AK5, EF95 etc. For a full list of compatible tube models, please refer to the user manual.  \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e5. P32 can easily drive all headphones even with high-impedance such as HD580\/HD600\/HD650\/K701\/K702\/Q701\/DT880\/T70\/T90\/SR225\/SR325\/RS1e etc.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eBrand: Nobsound \u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eModel: P32\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eAudio input: Stereo RCA\/3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eAudio output: 3.5mm\/6.35mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eOutput power: ≥1000mW (32Ω)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eMatched headphone impedance: 24-600Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 20-30KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: ≥ 110dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput voltage swing: 24V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput voltage: DC 5V\/≥ 2A (5.5*2.5mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 78*82*32mm \/ 3.07*3.23*1.26in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 135*85*90mm \/ 5.31*3.34*3.54in \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 220g \/ 0.48lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 400g \/ 0.88lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking list\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* P32 Headphone Amp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2* 6J5 Tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* DC 5V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406902149352,"sku":"XZ-P32-US","price":46.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406902182120,"sku":"XZ-P32-UK","price":46.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406902214888,"sku":"XZ-P32-DE","price":46.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406902247656,"sku":"XZ-P32-AU","price":46.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406902280424,"sku":"XZ-P32","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XZ-P32_1_1.jpg?v=1760926420"},{"product_id":"duukaudio.com-nobsound-g2-mini-100w-mono-channel-digital-amplifier-subwoofer-full-frequency-power-amp-for-home-stereos","title":"Nobsound G2 Mini 100W Mono Channel Digital Amplifier Subwoofer\/Full-Frequency Power Amp for Home Stereos","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e A WORKING MODE SWITCHER:\u003c\/strong\u003e convenient to use it as subwoofer bass amplifier or full frequency amp, and you can use two Nobsound G2 to drive left and right channel independently, and the mutual interference between the channels is suppressed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGAIN CONTROL:\u003c\/strong\u003e a gain switch on the bottom of the amplifier to allow 4-level of output level setting (20\/26\/32\/36 dB), to keep the sound quality better and not affected by the the resistor part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHIGH-END MATERIALS AND LARGE POWER:\u003c\/strong\u003e Texas Instruments TPA3116 chip, NE5532 op-amp to guarantee no audible noise, 100Wx 1 @4ohm mono channel amp can drive most home passive speaker or subwoofer, bringing HiFi listening experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEXCELLENT CORCUIT AND APPEARANCE DESGIN:\u003c\/strong\u003e built-in speakers protection circuit, solid aluminum chassis for long time use; built-in low pass filter for subwoofers with sub frequency control, small simple compact design but practical and powerful.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSpecification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable data-mce-fragment=\"1\" cellspacing=\"0\" border=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMax Power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e100W*1 2Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFull frequency response\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e20Hz-20kHz(±3dB)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe speaker matches the impedance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2-8Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eT\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eHD\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eO\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eutput \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e1W@ 0.03%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking Voltage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDC12-24V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSNR\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e≥106dB\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eInput sensitivity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0.775V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimension\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eD118.5*W98*H33MM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBass cutoff frequency range adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e40-300\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eHz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eW\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eeight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0.36KG\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSlope of bass attenuation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e-12\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edB Slope\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eP\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eackage Size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eD257*W215*H65MM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× Power Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× Power Supply \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"Without Power Adapter \/ US","offer_id":47198612127976,"sku":"DZ056-DJ-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ UK","offer_id":47406476591336,"sku":"DZ056-DJ-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ EU","offer_id":47406476624104,"sku":"DZ056-DJ-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ AU","offer_id":47406476656872,"sku":"DZ056-DJ-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ Other","offer_id":47406476689640,"sku":"DZ056-DJ","price":46.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ US","offer_id":47198612160744,"sku":"DZ056-19V-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ UK","offer_id":47406476722408,"sku":"DZ056-19V-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ EU","offer_id":47406476755176,"sku":"DZ056-19V-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ AU","offer_id":47406476787944,"sku":"DZ056-19V-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ Other","offer_id":47406476820712,"sku":"DZ056-19V","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/4_2e3766dc-8fdc-4021-9869-d9b65331156d.jpg?v=1651108499"},{"product_id":"duukaudio.com-douk-audio-g4-mono-channel-digital-amplifier-subwoofer-full-frequency-power-amp-100w","title":"Douk Audio G4 Mono Channel Digital Amplifier Subwoofer\/Full-Frequency Power Amp 100W","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eNotice: \u003c\/strong\u003eThis is mono amplifier, if you want stereo output please buy 2PCS or 3PCS.\u003c\/span\u003e\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eG4 can be used as full frequency amp or subwoofer amp with the B\/M switch to connect different speakers, and with 3.5mm AUX and RCA input to compatible with different audio devices. 2PCS G4 can be used to drive left and right channel independently to avoid mutual interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdopting 2PCS NE5532 op-amp and TI's TPA3116 chip, output power up to 100W enough to drive passive 3-10 inch full-frequency speakers or 4-12 inch subwoofers, no audible noise even at large power output, upgrade your 2.0 channel audio system to 2.1, providing shocking cinema effects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBy combining the stereo(left and right channel) input, first to do signal analysis and frequency processing and then power amplification, the low-frequency filtering will be more pure and power consumption is more efficient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMini size with exquisite appearance: mono integrated class D amplifier, simple compact design but with powerful function, more fashionable and durable solid aluminum chassis, very suitable for HiFi home and desktop audio system use. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio input: 3.5mm AUX \/ RCA\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio output: banana speaker jacks\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRated power: 100W\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePeak power : 300W\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTHD: 0.001%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSNR: 103dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSpeaker impedance: 4-8Ω\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMatched full-frequency or crossover speaker: 3-10 inch \/ 10-200W\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMatched subwoofer speaker: 4-12 inch \/ 40-200W\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFrequency range:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSubwoofer mode: 20-200Hz\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFull-frequency mode: 20-20Khz\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWorking voltage: DC 12-24V 5.5mm (-) \/ 2.5mm (+)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDimensions(L*W*H): 105*85*30mm \/ 4.13**3.35*1.18in\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 240g \/ 0.53lb\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePackage weight: 445g \/ 0.98lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1*G4 Mono Amplifier\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1*19V Power Supply\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Manual \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"Without Power Adapter \/ US","offer_id":47198643290344,"sku":"DZ078-DJ-US","price":44.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ UK","offer_id":47411109363944,"sku":"DZ078-DJ-UK","price":44.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ EU","offer_id":47411109396712,"sku":"DZ078-DJ-DE","price":44.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ AU","offer_id":47411109429480,"sku":"DZ078-DJ-AU","price":44.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ Other","offer_id":47411109462248,"sku":"DZ078-DJ","price":54.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ US","offer_id":47198643323112,"sku":"DZ078-19V-US","price":54.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ UK","offer_id":47411109495016,"sku":"DZ078-19V-UK","price":54.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ EU","offer_id":47411109527784,"sku":"DZ078-19V-DE","price":54.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ AU","offer_id":47411109560552,"sku":"DZ078-19V-AU","price":54.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ Other","offer_id":47411109593320,"sku":"DZ078-19V","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/DZ078-DY-2023_5.jpg?v=1692606647"},{"product_id":"hifi-5-1-channel-bluetooth-digital-amplifier-usb-coax-opt-home-theater-amp-ldac","title":"Nobsound M5.1 HiFi 5.1 Channel Amplifier w\/Bluetooth COAX\/OPT\/USB Home Subwoofer Power Amp","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cdiv\u003e\u003cstrong\u003eWarm tips:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e1. Default comes with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eONE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24V\/6A power adapter, if you want higher output please prepare another one by yourself.\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. Long press play\/pause button can switch between 2.1 and 5.1 channel output mode. When switching to 5.1 channel output mode, any input modes can achieve 5. 1 channel output.\u003cbr\u003e3. If you want real 5.1 channel output, please use 5.1 channel RCA input. If input 2.0 channel but output 5.1 channel, the stereo signal is processed and simulated to 5.1 channel.\u003c\/span\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cstrong\u003eFeatures\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTransfer 2.0 channel input to 5.1 channel output: with built-in multi-channel signal process chip and circuit, which applies professional algorithms and dynamic separation techniques. Even when input 2.0 channel audio signal, it can also auto allocate and simulate to 5.1 channel and provide excellent smart noise reduction, precise sound positioning and stereo surround sense.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMultiple audio inputs to work with more devices: with Bluetooth 5.0 \/ coaxial \/ optical \/ U-disk four digital inputs and 2.0CH \/ 5.1CH RCA inputs, strong compatibility and works perfectly with most home audio devices. U-disk input supports lossless formats such as WAV, APE, FLAC besides MP3, high-quality music can be reproduced and enjoyed.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStrong power output and multi-channel system building: adopting 3PCS classic TPA3116 chip, responsible for front (50W*2)\/ surrounded (50W*2) \/ center(50W) \/ subwoofer(50W) outputs; specially add a low frequency output to connect another active subwoofer to easily build 2.0\/2.1\/2.2\/5.1\/5.2 channel system and enjoy shocking auditory effects as if you are in a movie theater.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIndependent control knobs and dual power inputs: besides main volume control and treble \u0026amp; bass knobs, also with separate front\/ surround\/ center\/ bass volume control; and specially design two power supply inputs (main\/vice) to provide stronger power input to easily drive most home speakers and subwoofers with high power.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eUser-friendly design and advanced functions: with detailed function buttons and separate indicators, convenient to use and see the working status in real time; one button to switch 2.1 and 5.1 channel outputs, no need to plug in and out speaker cables repeatedly. Made of aluminium alloy and in compact size, very suitable for those who want to build a mini HIFI 5.1 channel system.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cp\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eBrand: Nobsound\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: M5.1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: Bluetooth 5.0 \/ Coaxial \/ Optical \/ U-disk \/ 2.0 Channel \u003c\/span\u003e\u003cspan\u003eRCA\/ 5.1 Channel RCA\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: banana speaker jacks \/ low frequency out (connect to active subwoofer)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMaximum output power:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFront channel: 50W+50W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSurrounded channel: 50W+50W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCenter channel: 50W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBass channel: 50W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSupported formats of U-disk: MP3\/WAV\/APE\/FLAC\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSampling rate supported:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eU-disk: 16Bit \/ 44.1-48KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBluetooth: 16Bit 1 44.1-48KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCoaxial: 16-24Bit \/ 44.1- 192KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOptical: 16-24Bit \/ 44. 1-192KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20Hz-20KHz (+1 .5dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBass frequency response: 40Hz-160Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput sensitivity: 0.775V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSNR: ≥100dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTHD: 0.05% @1kHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTreble\/bass range: ±6dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC 15-24V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions(W*D*H): 230*130*49mm \/ 9.06*5.12*1.93in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(W*D\"H): 410*205*83mm \/ 16.14*8.07*3.27in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 1.19kg \/ 2.62lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.8kg\/ 3.971b\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e1*M5.1 Amplifier\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e1*24V\/6A Power Adapter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e1*Optical Cable\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e1*Bluetooth Antenna\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47411082985704,"sku":"SUC-M5.1-US","price":169.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47411083018472,"sku":"SUC-M5.1-UK","price":169.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47411083051240,"sku":"SUC-M5.1-DE","price":169.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47411083084008,"sku":"SUC-M5.1-AU","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47411083116776,"sku":"SUC-M5.1","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_e2bd5910-065d-48da-a98d-659f205999a7.jpg?v=1702883074"},{"product_id":"ampapa-a1-mini-5654-vacuum-tube-preamp-phono-turntable-amplifier-w-tone-control","title":"Ampapa A1 Mini 5654 Vacuum Tube Preamp Phono\/Turntable Amplifier w\/Tone Control","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNobsound \/ Douk Audio is the only authorized distributor of Ampapa A1.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eIntroduction\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eA1 tube preamp \/ phono preamp \/ headphone amp is the first product carefully designed by Ampapa, with high-end configuration, powerful functions and amazing looking. Ampapa, always devoted to exploring the design innovation of HiFi and amplifying all passion for music.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAmpapa A1, more than one simple preamp:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMM input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eStereo RCA input, amplifies the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifiers or active speakers and greatly improve the sound quality.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eJAN5654 tubes and HiFi vintage analog sound: reveal a sound that is both warm and fine, highlight great musicality, and improve everything associated with music such as detail, transparency, immediacy, richness, dynamic, tone etc.. Ceramic silver-plated pluggable tube socket for tube rolling and sound-shaping, easy to replace according to one's preference.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTone Control and 3.5mm headphone output: get more delicate and smooth sound by adjusting treble \/ bass knob, presenting music with rousing highs and deep lows and rejuvenating your audio system. Reasonable and advanced architecture, adds classic headphone amp circuit (2*NE5532), easily to drive 16-300 ohm headphones. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eExcellent performance and amazing design: all details full of texture, provide different acoustic enjoyment with large dynamic and sweet tube sound even in limited space. Using high-quality components, solid aluminum alloy knobs, unique appearance modeling decorates with warm orange \/ cool green lights etc., all is for the best listening experience. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eWarm tips:\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1. A1 is designed with pluggable tube socket, compatible with 6J1, 6K4, 6J5, GE5654W, 6*1N, 6*2N, 6J5, 6A2, etc., can be replaced directly. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. Stereo RCA output and 3.5mm headphone output can work at the same time, and the volume \/ treble \/ bass of two outputs are controlled simultaneously. \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003eParameters\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Ampapa\u003c\/li\u003e\n\u003cli\u003eModel: A1\u003c\/li\u003e\n\u003cli\u003eAudio input: Phono MM \/ Stereo RCA\u003c\/li\u003e\n\u003cli\u003eAudio output: Stereo RCA \/ 3.5mm Headphone Jack\u003c\/li\u003e\n\u003cli\u003eInput level: 0.775V RMS (RCA) \/ 0.005V RMS (Phono)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz-20KHz (±0.5dB) (RCA) \/ Ref to RIAA +\/-2dB (Phono)\u003c\/li\u003e\n\u003cli\u003eHeadphone output power: 125mW (32Ω)\/62.5mW(64Ω)\/30mW(128Ω)\u003c\/li\u003e\n\u003cli\u003eHeadphone impedance range: 16-300Ω\u003c\/li\u003e\n\u003cli\u003eTHD: ≤0.1%\u003c\/li\u003e\n\u003cli\u003eOutput level: 1.5V RMS (RCA) \/ 0.6V RMS (Phono)\u003c\/li\u003e\n\u003cli\u003eS\/N ratio: ≥106dB (RCA) \/ ≥80dB(Phono)\u003c\/li\u003e\n\u003cli\u003eWorking voltage: DC 12V(≥1.5A)\u003c\/li\u003e\n\u003cli\u003ePackage weight: 900g \/ 1.98lb\u003c\/li\u003e\n\u003cli\u003ePackage dimensions (W*D*H): 260*145*78mm \/ 10.24*5.71*3.07in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*A1 Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*5654 Vacuum Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Wiping Cloth\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406558281960,"sku":"SUC-A1-US","price":129.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406558314728,"sku":"SUC-A1-UK","price":129.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406558347496,"sku":"SUC-A1-DE","price":129.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406558380264,"sku":"SUC-A1-AU","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406558413032,"sku":"SUC-A1","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/SUC-A1-2022_4.jpg?v=1663234890"},{"product_id":"nobsound-ns-14g-bluetooth-hifi-2-1-channel-power-amplifier-subwoofer-stereo-audio-amp","title":"Nobsound NS-14G Bluetooth HiFi 2.1 Channel Power Amplifier Subwoofer Stereo Audio Amp","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003eFeatures\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e2 kinds of audio input: support Bluetooth to achieve stable \u0026amp; high-speed transmission, with stereo RCA input, almost compatible with all home audio devices such as phones, tablets, computers, CD players etc..\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eClassic chips and 2.1 channel system: adopts TPA3116 chip, with AUX and speakers output, easy to build multi-channel system and the max output power can reach 50W*2(L\/R) and 100W(subwoofer).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePowerful design: besides input selector, also with abundant adjustable knobs to meet different listening needs, including main volume, treble and bass, subwoofer frequency and volume, even the balance of L\/R channel can be adjusted according to your preferences and enjoy music.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAttractive appearance: Mini size with elegant aluminum shell, black and red knobs design make it more fashionable, practical and powerful. DC 15-24V voltage, suitable for home and desktop audio system use and enjoy high-quality music.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003eParameters\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio input: Bluetooth\/Stereo RCA\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio output: AUX\/Banana speaker jacks\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNumber of channels: 2.1\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMax output power: 50W*2(L\/R channel)+100W(subwoofer)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSpeaker impedance: 4-8Ω(L\/R)\u003cbr data-mce-fragment=\"1\"\u003e                                 2-8Ω(subwoofer)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTreble and bass adjustment range: ±6dB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAUX max output level: 1.2V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBass cutoff frequency: 40-120Hz\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eInput sensitivity: 0.775V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFrequency response: 20Hz-20KHz(±2dB)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTHD: 0.07%(1kHz)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSNR: ≥92dB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWorking voltage: DC 15-24V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePackage dimensions(W*D*H): 133*125*36mm \/ 5.24*4.92*1.42in\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 580g \/ 1.28lb\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePackage weight: 1.2kg \/ 2.65lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003ePacking List\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× NS-14G Power Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× 24V\/4.5A Power Supply\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× Bluetooth Antenna\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47198661443816,"sku":"SUC-NS-14G-24V-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406939701480,"sku":"SUC-NS-14G-24V-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406939734248,"sku":"SUC-NS-14G-24V-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406939767016,"sku":"SUC-NS-14G-24V-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406939799784,"sku":"SUC-NS-14G-24V","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-NS-14G_4.jpg?v=1690270229"},{"product_id":"douk-audio-t7-7-band-equalizer-balanced-xlr-rca-preamp-for-home-amplifier","title":"Douk Audio T7 7-Band Equalizer Balanced XLR \/ RCA Preamp for Home Amplifier","description":"\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarm Tips\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1. T7 without volume control knob, it will output the rated level.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. XLR and RCA output will output at the same time.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e7-band EQ equalizer: With independent and rich frequency band control (64Hz\/125Hz\/250Hz\/500Hz\/2KHz\/4KHz\/8KHz), within -6dB to +6dB range, T7 can compensate for the defects of speakers and sound field by adjusting 7-band high, middle and low frequencies, and modify various sound sources. The timbre and loudness also can be changed to achieve different sound effects. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBalanced XLR preamplifier: Supports XLR and RCA inputs and outputs, T7 can reproduce high-quality audio for amplifiers or active speakers, with excellent separation, resolution, sound field, and clean background.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBypass design \u0026amp; High performance: Turn off the power can activate bypass mode, convenient to enjoy original sound. The SNR of T7 exceeds 104dB, combined with a frequency response range of 20Hz-20kHz, with a distortion level as low as 0.003%, ensuring perfect reproduction of audio signals.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAttractive looking and powerful design: black aluminum alloy shell, good shielding performance, cool, exquisite and durable appearance, very suitable for audiophiles who pursue high fidelity sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eModel: Douk Audio T7\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAudio input: single-ended RCA \/ balanced XLR\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAudio output: single-ended RCA \/ balanced XLR\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: 20Hz～20KHz(±1dB)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eFrequency band: 64Hz \/ 125Hz \/ 250Hz \/ 500Hz \/ 2KHz \/ 4KHz \/ 8KHz\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eRCA input sensitivity: 0.775Vrms\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eRCA output level: 1.2Vrms\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eBAL input sensitivity: 1.5Vrms\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eBAL output level: 3Vrms\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eTHD: 0.003%    \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eSNR: ≥104dB\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC12V (≥1.5A)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 152*126*42mm \/ 5.98*4.96*1.65in\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 700g \/ 1.54lb\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 1.0kg \/ 2.20lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*T7 Preamp\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406956380392,"sku":"SUC-T7-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406956413160,"sku":"SUC-T7-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406956445928,"sku":"SUC-T7-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406956478696,"sku":"SUC-T7-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406956511464,"sku":"SUC-T7","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-T7_4.jpg?v=1711509829"},{"product_id":"douk-audio-t6pro-hifi-tpa3255-bluetooth-tube-amplifier-with-vu-meter-300watts-x2","title":"Douk Audio T6PRO HIFI TPA3255 Bluetooth Tube Amplifier with VU Meter 300Watts x2","description":"\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eIntroduction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eT6PRO is a compact tube amplifier designed by Douk Audio, combining cool design with exceptional performance. Adopting the comnbination of JAN5725 tubes and TPA3255 amp chip, the power output up to 300W for each channel can effortlessly drive 4-8Ω speakers, delivering impressive sound quality. With Bluetooth, 2 groups of stereo RCA and 3.5mm AUX inputs, 3.5mm AUX preamp output besides speaker jacks output, easily to build multi-channel systems. Besides common treble and bass control, super bass low to 20Hz is added to achieve shocking bass effects. A whole piece of cool dark VU meter is used with dual panels and pointers swinging in real-time with audio signal changes, to get both auditory and visual enjoyment.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDual VU meter but in one visual dashboard: T6PRO designed with dual cool VU meters but in a whole piece of big board, looks more unique and magnificent. The pointer dynamically swings with changes in the audio signal, combining aesthetic appeal with strong functional features but also helping you adjust the audio volume in real-time to prevent overload and distortion.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eHybrid design but strong output: T6PRO features JAN5725 tubes working at 100V for the true tube amplification and delivering a warm and rich experience. TPA3255 high-end digital class D amp chip, max power output of per channel can up to 300W and effortlessly drive 4-8Ω speakers. Its compact size makes it suitable for various applications, from bookshelves and desktop setups to home theaters.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eVersatile inputs and preamp output: besides Bluetooth 5.1 supports APTX-HD and LDAC, T6PRO with 3.5mm AUX and 2 groups of stereo RCA inputs, multiple devices can be connected and switched at one time and avoid plugging cables repeatedly. Also features its 3.5mm AUX preamp output, another amplifier and active speaker\/subwoofer can be connected to build 2.1 or multi-channel home theater systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eSuper bass and audiophile-grade components: besides common treble and bass adjustments to custom-tailor your preferred sound, super bass knob low to 20Hz is added to to achieve shocking bass effects. T6PRO adopts QCC5125 Bluetooth chip, Germany WIMA, Japanese ELNA and Rubycon capacitors, professional audio inductors and all-sealed precision potentiometer etc. to deliver exceptional clarity and low distortion.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eRefined craftsmanship and attractive appearance: CNC-machined, customized all-aluminum alloy construction, ensuring both longevity and a luxurious feel; much larger speaker binding post to pass through higher power safely. VU meters to show the volume in real-time, harmoniously combine retro charm with contemporary design, let us experience a HIFI musical journey through time via Douk Audio T6PRO.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1.The 3.5mm AUX output is pre-amplified, its output level and the speaker jacks output are controlled by the main volume synchronously.\u003cbr\u003e2.Default comes with optional 32V\/5A and 48V\/5A power adapter, if you want higher power output please replace another larger power adapter with high-quality by yourself.\u003cbr\u003e3.There are two sensitivity adjustments for VU meters on the side panel of T6PRO, one is responsible for the left channel and the other is for the right.\u003cbr\u003e4. T6PRO default comes with JAN5725 tubes, can be replaced directly by 6J1, 6J2, 6J3, 6J4, 6J5, 6K4, 6*IN, 6*4N, 6*5N, 5654, 6AK5, EF95, 6BA6, 403B etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBrand: Douk Audio \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eModel: T6PRO\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: Bluetooth 5.1\/2 groups of stereo RCA \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: banana speaker jacks \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBluetooth version: QCC5125 (support APTX\/APTX-HD\/LDAC)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSampling rated BT supported: 24bit\/96Khz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax output power: 300Wx2 (@4Ω)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMatched speaker impedance: 4-8Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTone control range \/ center frequency:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTreble: ±8dB \/ 10KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBass: ±6dB \/ 200Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSuper bass: ±10dB \/ 20Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 20Hz-20KHz (±1dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput sensitivity: 0.775V\/0dBFS\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax output level of AUX: 3V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD: 0.01%\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥102dB\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 24-48V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions(W*D*H): 140*165*69mm \/ 5.51*6.50*2.72in\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage dimensions(W*D*H): 250*228*110mm \/ 9.84*8.98* 4.33in\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 1.4kg \/  3.09lb\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight (with 32V Power Adapter): 2.1kg \/ 4.63lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight (with 48V Power Adapter): 2.4kg \/ 5.29lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePower Output Table of T6PRO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable style=\"border-collapse: collapse; width: 51.1937%; height: 190px;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 24.362%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePower Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSpeaker Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRated Output Power\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e32V\/5A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e78W+78W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e71W+71W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e65W+65W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e48V\/5A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e120W+120W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω  \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e110W+110W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e102W+102W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e48V\/10A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e250W+250W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω  \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e210W+210W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e185W+185W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×T6PRO Amplifier\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2×JAN5725 Tube\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×DC 32V Power Adapter (Optional)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×DC 48V Power Adapte(Optional)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×Bluetooth Antenna\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"Black \/ Without Power Adapter \/ US","offer_id":47198674256104,"sku":"SUC-T6-PRO-H-DJ-US","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Without Power Adapter \/ UK","offer_id":47406656487656,"sku":"SUC-T6-PRO-H-DJ-UK","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Without Power Adapter \/ EU","offer_id":47406656520424,"sku":"SUC-T6-PRO-H-DJ-DE","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Without Power Adapter \/ AU","offer_id":47406656553192,"sku":"SUC-T6-PRO-H-DJ-AU","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Without Power Adapter \/ Other","offer_id":47406656585960,"sku":"SUC-T6-PRO-H-DJ","price":149.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ US","offer_id":46051437641960,"sku":"SUC-T6-PRO-H-32V-US","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ UK","offer_id":47406656618728,"sku":"SUC-T6-PRO-H-32V-UK","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ EU","offer_id":47406656651496,"sku":"SUC-T6-PRO-H-32V-DE","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ AU","offer_id":47406656684264,"sku":"SUC-T6-PRO-H-32V-AU","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ Other","offer_id":47406656717032,"sku":"SUC-T6-PRO-H-32V","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ US","offer_id":46051437674728,"sku":"SUC-T6-PRO-H-48V-US","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ UK","offer_id":47406656749800,"sku":"SUC-T6-PRO-H-48V-UK","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ EU","offer_id":47406656782568,"sku":"SUC-T6-PRO-H-48V-DE","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ AU","offer_id":47406656815336,"sku":"SUC-T6-PRO-H-48V-AU","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ Other","offer_id":47406656848104,"sku":"SUC-T6-PRO-H-48V","price":179.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Without Power Adapter \/ US","offer_id":47630782464232,"sku":"SUC-T6-PRO-Y-DJ-US","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Without Power Adapter \/ UK","offer_id":47630782497000,"sku":"SUC-T6-PRO-Y-DJ-UK","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Without Power Adapter \/ 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AU","offer_id":47630782726376,"sku":"SUC-T6-PRO-Y-32V-AU","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 32V\/5A Power Adapter \/ Other","offer_id":47630782759144,"sku":"SUC-T6-PRO-Y-32V","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ US","offer_id":47630782791912,"sku":"SUC-T6-PRO-Y-48V-US","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ UK","offer_id":47630782824680,"sku":"SUC-T6-PRO-Y-48V-UK","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ EU","offer_id":47630782857448,"sku":"SUC-T6-PRO-Y-48V-DE","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ AU","offer_id":47630782890216,"sku":"SUC-T6-PRO-Y-48V-AU","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ Other","offer_id":47630782922984,"sku":"SUC-T6-PRO-Y-48V","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/2_50de7eae-3cbe-4cb3-8241-a1c686cc6c8d.jpg?v=1745486199"},{"product_id":"douk-audio-a5-tpa3255-stereo-amp-hifi-audio-class-d-amplifier-high-pass-filter","title":"Douk Audio A5 TPA3255 Stereo Amp HiFi Audio Class D Amplifier High-pass Filter","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"HiFi Sound with Adjustable High-Pass Filter: This TPA3255 amplifier features an adjustable high-pass filter (HPF) 30-200Hz to refine mid-high frequencies while minimizing low-frequency interference. Perfect for bookshelf or passive speakers, it enhances clarity and creates a dynamic soundstage ideal for home stereo and theater audio systems.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eHiFi Sound with Adjustable High-Pass Filter: This TPA3255 amplifier features an adjustable high-pass filter (HPF) 30-200Hz to refine mid-high frequencies while minimizing low-frequency interference. Perfect for bookshelf or passive speakers, it enhances clarity and creates a dynamic soundstage ideal for home stereo and theater audio systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"Easy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eEasy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"PFFB Technology and High-Performance PCB: Built with Post-Filter Feedback technology circuit and a 4-layer immersion gold PCB, this digital amplifier reduces distortion and improves frequency response. Enjoy unparalleled audio precision, enhanced signal integrity, and effective heat management.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003ePFFB Technology and High-Performance PCB: Built with Post-Filter Feedback technology circuit and a 4-layer immersion gold PCB, this digital amplifier reduces distortion and improves frequency response. Enjoy unparalleled audio precision, enhanced signal integrity, and effective heat management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"Stunning Design for Living Rooms and Studios: Sleek and modern, the compact power amp is equipped with a transparent panel and adjustable internal LED lighting. Multiple color options create a futuristic look, adding sophistication to your home audio setup or studio.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eStunning Design for Living Rooms and Studios: Sleek and modern, the compact power amp is equipped with a transparent panel and adjustable internal LED lighting. Multiple color options create a futuristic look, adding sophistication to your home audio setup or studio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\" data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"300W×2 Power with Premium Components: Powered by the TPA3255 chip and premium components, A5 delivers distortion-free audio with ultra-low THD (0.002%) which is perfectly compatible with the DAC-Q11. Whether you’re enjoying weekend movie nights, evening music sessions, or after-work relaxation, A5 can deliver exceptional sound quality.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e300W×2 Power with Premium Components: Powered by the TPA3255 chip and premium components, A5 delivers distortion-free audio with ultra-low THD (0.002%) which is perfectly compatible with the DAC-Q11. Whether you’re enjoying weekend movie nights, evening music sessions, or after-work relaxation, A5 can deliver exceptional sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003eWarm tips\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eThe A5 with 2PCS pluggable NE5532 op-amps, can be upgraded by dual op-amps like 2134\/2604\/5532\/2068\/muse02 etc.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003eParameters\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: A5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: Banana speaker jacks\/3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-pass filter adjustment range: 30Hz-200Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax. output power: 300W*2 (4Ω\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched speaker impedance: 4-8Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD+N: 0.002%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSNR: \u003c\/span\u003e\u003cspan\u003e≥\u003c\/span\u003e\u003cspan\u003e114dB\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput sensitivity: 2V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eAUX\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003er\u003c\/span\u003eated output level\u003cspan\u003e: 3.7V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20Hz-20kHz (±\u003c\/span\u003e\u003cspan\u003e0.7dB)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: \u003c\/span\u003eDC 24-48V\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 95*92*50 \/ 3.74*3.62*1.97in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 265*240*65mm \/ 10.43*9.45*2.56in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 506g \/ 1.12lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight(with 32V5A power supply): 1100g \/ 2.43lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight(with 48V5A power supply): 1200g \/ 2.65lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003ePower Output Table of  The A5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSpeaker Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRated Output Power\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cspan\u003e32V\/5A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e78W+78W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e71W+71W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e65W+65W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cspan\u003e36V\/6A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e107W+107W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e100W+100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e94W+94W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cspan\u003e48V\/5A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e120W+120W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e110W+110W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e102W+102W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e48V\/10A\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e250W+250W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e210W+210W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e185W+185W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003ePacking list\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* A5 Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* DC 32V\/5A Power Adapter(Optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* DC 48V\/5A Power Adapter(Optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"With 32V\/5A Power Supply \/ US","offer_id":47038634918120,"sku":"SUC-A5-32V-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Supply \/ UK","offer_id":47406571225320,"sku":"SUC-A5-32V-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Supply \/ EU","offer_id":47406571258088,"sku":"SUC-A5-32V-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Supply \/ AU","offer_id":47406571290856,"sku":"SUC-A5-32V-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Supply \/ China","offer_id":47406571323624,"sku":"SUC-A5-32V","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ US","offer_id":47038634950888,"sku":"SUC-A5-48V-S-US","price":109.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ UK","offer_id":47406571356392,"sku":"SUC-A5-48V-S-UK","price":109.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ EU","offer_id":47406571389160,"sku":"SUC-A5-48V-S-DE","price":109.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ AU","offer_id":47406571421928,"sku":"SUC-A5-48V-S-AU","price":109.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ China","offer_id":47406571454696,"sku":"SUC-A5-48V-S","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_c512f7bf-2c6e-4b53-8779-6dce46d2356d.jpg?v=1733980976"},{"product_id":"douk-audio-e2-tube-headphone-amplifier-xlr-4-4mm-6-35mm-hifi-stereo-preamplifier","title":"Douk Audio E2 Tube Headphone Amplifier XLR\/4.4mm\/6.35mm HiFi Stereo Preamplifier","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePowerful Output and Wide Compatibility: The E2 delivers a powerful output of up to 2000mW, powered by two TPA6120 chips, capable of driving headphones of 16Ω to 600Ω. It supports XLR\/4.4mm\/6.35mm jack, including an equipped 6.35mm to 3.5mm adapter, compatible with the vast majority of headphones.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHigh-Performance Preamp: E2 is also a powerful preamp with dual RCA inputs and intuitive switches, allowing you to effortlessly switch between audio sources. Whether you want to use it as a headphone amplifier or a pre-amplifier, or even both at the same time, the E2 ensures an ultra-flexible and dynamic listening experience.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eLuxury ECF801 Tube for Unmatched Sound: The E2 is equipped with German Valvo ECF801 tube, renowned for its rare availability and exceptional quality. Operating at a high internal voltage up to 175V, the military-grade tube delivers immersive audio, capturing the essence of classic tube sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTimeless Retro VU Meter and Wood Design: The vintage-style vacuum tubes, VU meter and walnut wood panels, mounted on the exterior of the aluminum casing, seamlessly blend natural beauty with industrial elegance. A stunning piece that enhances any space, from home audio setups to professional studios. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCustomizable Op-amp and High-End Components: \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eThe E2 adopts LME49720 op-amp, giving you the flexibility to swap and tailor the sound to your preferences, along with premium components like Japanese ALPS potentiometer and German WIMA capacitors, ensuring superior sound quality and performance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWarm tips\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1. Due to scarcity, the two square Wima capacitors are used parts taken from previous devices.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2.The working voltage of E2 is DC 15V(≥3A), below or over this will cause bad performance or damage. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e3.The three headphone jacks cannot output simultaneously. Please select one jack for use.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4.Stereo RCA output and headphone output can work at the same time, and the volume\/gain of the two outputs are controlled simultaneously.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e5.E2 adopts 1PC NE5532 and 1PC 49720 op-amps. Only 49720 op-amp is pluggable and supports to be replaced by dual op-amps like 2604\/2134\/muses02 etc.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eModel: E2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: 2 groups of stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: Stereo RCA\/4-pin XLR\u0026amp;4.4mm\u0026amp;6.35mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 20Hz-20kHz (±0.5dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD+N: 0.02%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥110dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMatched headphone impedance: 16-600Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHeadphone output power: Low gain(L): 0.55W   High gain(H): 2W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRCA output level: Low gain(L): 4.3V   High gain(H): 8.4V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput sensitivity: 2V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 15V\/≥3A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions (W*D*H): 95*92*50mm \/ 3.74*3.62*1.97in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage dimensions (W*D*H): 280*230*110mm \/ 11.02*9.05*4.33in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 1.17kg \/ 2.58lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 1.6kg \/ 3.53lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking list\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1* E2 Headphone Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2* ECF801 Tubes\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1* DC 15V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1* 6.35mm to 3.5mm Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406458962152,"sku":"SUC-E2-US","price":219.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406458994920,"sku":"SUC-E2-UK","price":219.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406459027688,"sku":"SUC-E2-DE","price":219.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406459060456,"sku":"SUC-E2-AU","price":219.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406459093224,"sku":"SUC-E2","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_0c103343-73aa-440a-bf3b-766a64b8d1d7.jpg?v=1735118296"},{"product_id":"douk-audio-a5-pro-tpa3255-bluetooth-amplifier-hifi-class-d-stereo-audio-amp","title":"Douk Audio A5 PRO TPA3255 Bluetooth Amplifier HiFi Class D Stereo Audio Amp","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eUpgraded Features for Versatile Use\u003c\/span\u003e: The A5 PRO builds on the strengths of the A5, featuring upgraded Bluetooth 5.1 connectivity with a reset button, bass and treble knobs for precise\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003etone\u003c\/span\u003e adjustments, and a headphone output. It delivers clear, powerful audi\u003cspan\u003eo, \u003c\/span\u003eperfect for diverse uses from bedroom movies to\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003edesktop\u003c\/span\u003e setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eEasy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 \u003cspan\u003ePRO\u003c\/span\u003e includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003ePFFB Technology and High-Performance PCB: Built with Post-Filter Feedback technology circuit and a 4-layer immersion gold PCB, this digital amplifier reduces distortion and improves frequency response. Enjoy unparalleled audio precision, enhanced signal integrity, and effective heat management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eStunning Design for Living Rooms and Studios: Sleek and modern, the compact power amp is equipped with a transparent panel and adjustable internal LED lighting. Multiple color options create a futuristic look, adding sophistication to your home audio setup or studio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eImpressive Power Output: The A5 PRO delivers a maximum output of 300W\u003c\/span\u003e\u003cspan\u003e×\u003c\/span\u003e\u003cspan\u003e2 with TPA3255, perfect for driving high-power systems, and 500mW@32Ω \u003c\/span\u003e\u003cspan\u003efor detailed, dynamic headphone listening.\u003c\/span\u003e \u003cspan\u003eWith premium components like Rubycon\/WIMA capacitors, it\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eensures optimal performance with bookshelf speakers and other devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e1. The A5\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ePRO\u003c\/span\u003e with 2PCS pluggable NE5532 op-amps, can be upgraded by dual op-amps like 2134\/2604\/5532\/2068\/muse02 etc.\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. The speaker output, AUX and 3.5mm headphone jack output can work at the same time, and the volume\/treble\/bass of the three outputs are controlled simultaneously.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: A5 PRO\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Bluetooth \/ Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: Banana speaker jacks \/ AUX \/ 3.5mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeadphone output power: 500mW\/32Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched headphone impedance: 16-600Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax. output power: 300W*2 (4Ω)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched speaker impedance: 4-8Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 20Hz-20KHz (±1dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD+N: 0.003%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: ≥113dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBass\/treble range: ±6dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBluetooth version: 5.1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRCA input sensitivity: 2V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAUX rated output level: 3.7V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorking voltage: DC 24-48V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 130*112*33mm \/ 5.12*4.41*1.30in \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 265*240*65mm \/ 10.43*9.45*2.56in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 525g \/ 1.16lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.2kg \/ 2.65lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003ePower Output Table of  A5 PRO\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable style=\"margin-left: 0px; margin-right: auto;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd\u003eRated Output Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e32V\/5A\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e78W+78W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e71W+71W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e65W+65W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e36V\/6A\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e107W+107W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e100W+100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e94W+94W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e48V\/5A\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e120W+120W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e110W+110W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e102W+102W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cbr\u003e48V\/10A\u003cbr\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e250W+250W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e210W+210W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e185W+185W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003ePacking list\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* A5 PRO Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* DC 32V\/5A Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* Bluetooth Antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"With 32V\/5A Power Adapter \/ US","offer_id":47198645092584,"sku":"SUC-A5-PRO-32V-US","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Adapter \/ UK","offer_id":47406404370664,"sku":"SUC-A5-PRO-32V-UK","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Adapter \/ EU","offer_id":47406404403432,"sku":"SUC-A5-PRO-32V-DE","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Adapter \/ AU","offer_id":47406404436200,"sku":"SUC-A5-PRO-32V-AU","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Adapter \/ Other","offer_id":47406404468968,"sku":"SUC-A5-PRO-32V","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ US","offer_id":47198645125352,"sku":"SUC-A5-PRO-48V-S-US","price":134.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ UK","offer_id":47406404501736,"sku":"SUC-A5-PRO-48V-S-UK","price":134.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ EU","offer_id":47406404534504,"sku":"SUC-A5-PRO-48V-S-DE","price":134.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ AU","offer_id":47406404567272,"sku":"SUC-A5-PRO-48V-S-AU","price":134.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ Other","offer_id":47406404600040,"sku":"SUC-A5-PRO-48V-S","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-A5-PRO_1.jpg?v=1740377698"},{"product_id":"douk-audio-tube-t5c-mini-stereo-tube-preamp-4-way-audio-selector-splitter-headphone-amp-w-vu-meter","title":"Douk Audio TUBE-T5C Mini Stereo Tube Preamp 4-Way Audio Selector Splitter Headphone Amp w\/ VU Meter","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eOptimized Tube Amplification: \u003c\/span\u003e\u003cspan\u003ePowered by an isolated power section with metal shielding, effectively reducing interference for a cleaner and more stable audio signal. The tube operates at a boosted 180V, maximizing its performance for a rich, dynamic sound.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e4-Way Audio Selector \u0026amp; Splitter: \u003c\/span\u003e\u003cspan\u003eSupports up to 4 RCA inputs, allowing easy connection to CD players, DACs, streamers, and Blu-ray players etc. The input switch enables seamless comparison between multiple devices without constant replugging. Dual outputs support simultaneous output, allowing connection to two amplifiers or two active speaker sets.  \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eVintage VU Meter and Built-in Tube: \u003c\/span\u003e\u003cspan\u003eThe elegant VU meter, paired with a glowing tube, brings a timeless vintage aesthetic. The adjustable internal RGB lighting further enhances the ambiance. Whether in a studio or a cozy listening space, it creates an immersive experience.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eHeadphone Output \u0026amp; Tone Control: \u003c\/span\u003e\u003cspan\u003eWith an integrated headphone jack, it delivers up to 500mW at 32Ω, ensuring ample drive for a wide range of headphones. Additionally, the adjustable bass and treble controls allow for precise tonal shaping, letting you customize the sound to match different headphones and audio setups.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eEasy Op-amp and Tube Upgrades: \u003c\/span\u003e\u003cspan\u003eDesigned for effortless customization, the pluggable sockets allow users to easily swap out op-amps and tubes for enhanced flexibility. Upgrade to higher-end components to refine the sound quality and elevate your listening experience.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e1. All outputs work at the same time. The volume\/treble\/bass are controlled simultaneously.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. If the VU meter needle isn't moving noticeably, please turn up the bass and the master volume.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e3. 10-second warm-up required; audio delayed during tube activation.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e4. \u003c\/span\u003e\u003cspan\u003eThe TUBE-T5C with 1PC pluggable NE5532 op-amp, can be upgraded by dual op-amps like 2134\/2604\/5532\/2068\/muse02.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e5. Default one ECC83 tube, can be directly replaced by PSVANE 12AX7-S and Shuguang 12AX7B \/ 7025 \/ 12AX7 etc.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e6. High voltage inside, please turn the TUBE-T5C off first before replacing the op-amp and the tube, and avoid dropping anything inside.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Nobsound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: TUBE-T5C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: 4 groups of RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: 2 groups of RCA \/ 3.5mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput sensitivity: 0.775V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated output level: 2V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 20Hz-20KHz (±0.8dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD+N: 0.06%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: ≥107dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBass\/treble range: ±6dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeadphone output power: 500mW\/32Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched headphone impedance: 16-600Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorking voltage: DC 12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 152*92*85mm \/ 5.98*3.62*3.35in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 285*155*110mm \/ 11.22*6.10*4.33in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 827g \/ 1.82lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.10kg \/ 2.42lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003ePacking list\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* TUBE-T5C Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* DC 12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* Hexagonal Wrench\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406467383528,"sku":"SUC-TUBE-T5C-US","price":109.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406467416296,"sku":"SUC-TUBE-T5C-UK","price":109.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406467449064,"sku":"SUC-TUBE-T5C-DE","price":109.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406467481832,"sku":"SUC-TUBE-T5C-AU","price":109.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406467514600,"sku":"SUC-TUBE-T5C","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/b8230117d6358065dd6cc75f562bea3d.jpg?v=1747795184"},{"product_id":"the-latest-version-douk-audio-bs-1-hifi-50watt-bass-shaker-subwoofer-transducer-buttkickers-speaker-exciter-for-gaming-home-car","title":"[The Latest Version] Douk Audio BS-1 HiFi 50Watt Bass Shaker Subwoofer Transducer Buttkickers Speaker Exciter For Gaming Home Car","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eWhy BS-1 Bass Shaker is Needed?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eThe human ear has the ability to hear a wide range of sounds, however, some sound is simply too low to hear and must be felt through the body. Feeling this extremely low frequency sound will add a new dimension to your listening, gaming and movie experiences, so bass shakers are emerged. Douk Audio BS-1 bass shakers can provide extremely immersive experience in gaming or movie, you will be able to feel everything from high impact explosions in movies to the subtle feel of road surfaces in racing simulators from the feelings of auditory, vision and body. \u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe fully upgraded version of Douk Audio BS-1 bass shaker, released in May 2025, the performance is greatly improved. A redesigned heat sink significantly improves output efficiency, while chrome-plated pure copper terminals ensure long-term durability and corrosion resistance. The new BS-1 Bass Shaker brings you a whole new level of tactile immersion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eBS-1 bass shaker makes movies alive: unlike other speakers just providing a wonderful sound experience, Douk Audio BS-1 adds depth and dimension to your audio, ensuring you don't just hear the sound but feel it too, to provide an extremely immersive experience just like you are the role in the movie.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eStrong output power brings engaging experience: with 50 watts of nom power at 6 ohms,  BS-1 serves as an efficient exciter speaker to deliver an immersive tactile bass experience. Unlike common subwoofers, the BS-1 will not overload your listening area, and the perceived loudness of the BS-1 improves listening at lower sound volumes. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced transducer speaker technology: the BS-1 turns your home theater sofa or gaming chair into a bass-enhancing transducer speaker, making you feel the vibrations from high impact explosions in movies to the subtle feel of road surfaces in racing simulators, totally perfect for movies, music and gaming.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eEasy use and setup for your home\/car system: the BS-1 can be easily connected to a bass shaker amplifier allowing you to upgrade your home theater or gaming setup with minimal hassle. Recommend to install the BS-1 under your seating that is not fixed to the floor to achieve the greatest effects.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003eWarm tips:\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003e1. The impedance of the BS-1 Bass Shaker is 6 ohms. When used in a single unit configuration it must be hooked up to an amplifier that is either stereo or bridged mono, the same way you would connect a subwoofer. \u003cbr\u003e2. Before installing and use, please consult the amplifier manual for the impedance rating of your amplifier. Connecting 2 or 4 or 8 BS-1 bass shakers can be used in situations where more bass energy is desired or in larger applications. Connecting two in Series configuration will raise the impedance to 12 ohms, connecting 2 in parallel will lower the impedance to 3 ohms, and wiring 4 or 8 BS-1 in series-parallel will keep the overall impedance to 6 or 3 ohms. \u003cbr\u003e3. Before connecting the bass shaker amplifier, please consult the amplifier manual to verify it has the power capability that produce the wattage safely at various impedances. WARNING: Don't exceed 50 watts RMS per bass shaker multiplied by the number of shakers (example: 50 x 4 = 200 Watts RMS)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: BS-1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20-200 Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRated impedance AC: 6Ω ± 15% at 22°C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRated impedance DC: 6Ω ± 10% at 22°C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eResonance Freq (F0): 30Hz at 22°C ± 20%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNom input power: 50W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax. input power: 100W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eVibration force peak: 30 lbs. per ft.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions (Max.): 158*145mm \/ 6.22*5.71in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(1Pair) (W*D*H): 370*190*90mm \/ 14.57*7.48*3.54in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight (1PC): 1.48kg \/ 3.26lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight(1PC): 2.0kg \/ 4.41lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight(1Pair): 3.5kg \/ 7.72lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1×BS-1 Bass Shaker (Optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1 Pair×BS-1 Bass Shaker (Optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"1PC \/ US","offer_id":47382644949224,"sku":"NEW-SUC-BS-1-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ UK","offer_id":47406460141800,"sku":"NEW-SUC-BS-1-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ EU","offer_id":47406460174568,"sku":"NEW-SUC-BS-1-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ AU","offer_id":47406460207336,"sku":"NEW-SUC-BS-1-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ Other","offer_id":47406460240104,"sku":"NEW-SUC-BS-1","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ US","offer_id":47382644981992,"sku":"NEW-SUC-BS-1-Pair-US","price":179.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ UK","offer_id":47406460272872,"sku":"NEW-SUC-BS-1-Pair-UK","price":179.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ EU","offer_id":47406460305640,"sku":"NEW-SUC-BS-1-Pair-DE","price":179.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ AU","offer_id":47406460338408,"sku":"NEW-SUC-BS-1-Pair-AU","price":179.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ Other","offer_id":47406460371176,"sku":"NEW-SUC-BS-1-Pair","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-BS-1_1.jpg?v=1748589884"},{"product_id":"douk-audio-vu360-retro-analog-vu-meter-music-spectrum-for-home-office-gift","title":"Douk Audio VU360 Special Analog VU Meter Music Spectrum Visualizer","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eExclusive Analog VU Meter: Featuring an oversized visual display with unique dual-needle, the VU360 is expertly crafted to offer exceptional clarity and vivid detail. Blending retro charm with modern tech, it adds a captivating focal point to any desk or living space.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDual Inputs for Ultimate Convenience: Provides both a sensitive built-in microphone for wire-free convenience and line input for a direct connection to your audio source. Works flexibly in any scenario, instantly transforming game audio, music, and movies into a dynamic show. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRich Colors to Match Your Setup: The Yellow version offers 4 color families (red, orange, yellow, green), each with 5 colors, and the White version has broader 7 color families (red, orange, yellow, green, cyan, blue, purple), each with 2-3 colors. Choose the perfect match for your style and ambiance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePrecision Control for Perfect Sync: Fine-tune your visual experience with intuitive controls. Effortlessly adjust color, brightness, gain, and sensitivity, creating the ideal atmosphere for your audio, from quiet ambient tracks to explosive gaming soundscapes.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRefined Gift for Every Occasion: Housed in a sturdy metal casing for a premium feel, the VU360 comes in an exquisite gift box, making it an ideal present for music enthusiasts, gamers, or lovers of stylish, retro-inspired decor. Perfect for Birthdays, Christmas, Valentine's Day, and more.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: What's the difference between the two versions of the VU360?\u003cbr\u003eA: Please note: The VU360 is a visualizer, not a speaker, and does not play music. The yellow version supports 4 color families, each offering 5 adjustable color variations. The white version covers 7 color families with 2 to 3 color variations available for each.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: What kind of power supply should I prepare?\u003cbr\u003eA: Please use a DC 5V power supply with at least 1A output. Higher voltage may cause damage, while insufficient current may affect performance.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eQ: Can I track my sensitivity or gain adjustments?\u003c\/span\u003e\u003cbr data-start=\"98\" data-end=\"101\"\u003e\u003cspan\u003eA: Yes, the indicator lights can show your progress: The left light stays solid at the minimum value. As you increase the value, the lights light up sequentially. When all three lights are solid, it indicates the maximum level.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: Why do the left and right needles respond differently?\u003cbr\u003eA: The inconsistency in the left and right needles is a normal phenomenon caused by differences in the stereo balance of different songs. It does not indicate a malfunction of the VU360.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eQ: Why is the VU360 meter needle barely moving when connected to a turntable?\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eA: The turntable's output signal is typically too weak and requires amplification via a phono preamp. The VU360 is designed for standard line-level signals, such as those from CD players, computers, or phones.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: VU360\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVU meter version: Yellow \/ White (Optional) \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: 3.5mm AUX \/ Microphone pickup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: 3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNumber of channels: 2.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBacklight color: Single-color \/ Multi-color\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrightness adjustment: 8-level\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGain adjustment: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSensitivity adjustment: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVU meter diameter: 75mm \/ 2.95in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput voltage: DC 5V \/ ≥1A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower interface: USB-C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 105*105*70mm \/ 4.13*4.13*2.76in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 204*153*102mm \/ 8.03*6.02*4.01in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 618g \/ 1.36lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.0kg \/ 1.10lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* VU360\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Type-C Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"Yellow \/ US","offer_id":47743725994216,"sku":"SUC-VU360-Y-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ UK","offer_id":47743726026984,"sku":"SUC-VU360-Y-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ EU","offer_id":47743726059752,"sku":"SUC-VU360-Y-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ AU","offer_id":47743726092520,"sku":"SUC-VU360-Y-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ China","offer_id":47743726125288,"sku":"SUC-VU360-Y","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ US","offer_id":47747888087272,"sku":"SUC-VU360-W-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ UK","offer_id":47747888120040,"sku":"SUC-VU360-W-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ EU","offer_id":47747888152808,"sku":"SUC-VU360-W-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ AU","offer_id":47747888185576,"sku":"SUC-VU360-W-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ China","offer_id":47747888218344,"sku":"SUC-VU360-W","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_74ecd132-66b5-4972-a0ff-62951bb71044.jpg?v=1760577236"},{"product_id":"nobsound-p10-mini-hifi-audio-stereo-headphone-amplifier","title":"Nobsound P10 Mini Headphone Amplifier HiFi Stereo Preamp","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003ePowerful Output for All Headphones:\u003cstrong data-end=\"271\" data-start=\"230\"\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eDelivers up to 1100mW@32Ω output to drive 24–600Ω headsets with ease. Ideal for both sensitive IEMs and demanding over-ears, ensuring clear, rich, and dynamic audio performance.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFlexible I\/O for Wide Compatibility: Supports stereo RCA and 3.5mm AUX inputs, plus 6.35mm and 3.5mm headphone outputs. Easily connect DACs, PCs, phones, CD players. The 3.5mm output can also serve as a preamp output for amplifiers or active speakers.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eHigh-Voltage Circuit for Purer Sound:\u003c\/span\u003e\u003cstrong data-end=\"653\" data-start=\"610\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eBuilt-in 30V voltage boost enhances headroom, reduces distortion, and improves dynamics. Enjoy purer sound with greater detail and smoother transients—perfect for HiFi and studio listening. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSwap Op-Amps for Custom Sound: Comes with dual NE5532 op-amps in pluggable sockets. Fine-tune the sound signature to your liking, ideal for audiophiles, DIY enthusiasts, or anyone exploring different tones. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompact Build, Big Performance: Built with a mini aluminum enclosure, the P10 blends seamlessly into any desktop audio setup. With an included power adapter, it offers stable performance and clean output.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e1. Please use the supplied DC 5V\/2A power adapter to ensure optimal performance of the P10. If using other power supply, make sure it provides at least 1A current. Otherwise, the P10 may not function properly. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. The RCA and AUX inputs, as well as the 3.5mm and 6.35mm outputs, work at the same time. Please don’t connect the two inputs at the same time, or else audio signals will be mixed.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e3. P10 adopts 2PCS pluggable NE5532 op-amps, which can be upgraded by LME49720NA-DIP-8 or any other dual op-amp in an 8-pin package with an output current exceeding 50mA.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e4. P10 can easily drive all headphones even with high-impedance such as HD580\/HD600\/HD650\/K701\/K702\/Q701\/DT880\/T70\/T90\/SR225\/SR325\/RS1e etc.\u003c\/span\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eParameters\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eBrand: Nobsound \u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eModel: P10\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eAudio input: Stereo RCA\/3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eAudio output: 3.5mm\/6.35mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eOutput power: ≥1100mW (32Ω)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1626\"\u003e\u003cspan\u003eMatched headphone impedance: 24-600Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 20-30KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: ≥ 110dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput voltage swing: 30V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput voltage: DC 5V\/≥ 1A (5.5*2.5mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 78*82*32mm \/ 3.07*3.23*1.26in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 135*85*90mm \/ 5.31*3.34*3.54in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 210g \/ 0.46lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 400g \/ 0.88lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking list\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* P10 Headphone Amp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* DC 5V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47751464616168,"sku":"XZ-P10-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47751464648936,"sku":"XZ-P10-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47751464681704,"sku":"XZ-P10-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47751464714472,"sku":"XZ-P10-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47751464747240,"sku":"XZ-P10","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_091fd387-0280-4ee0-9fb2-426aa4589903.jpg?v=1760938965"},{"product_id":"nobsound-tube-t4c-hifi-stereo-vacuum-tube-preamp","title":"Nobsound TUBE-T4C HiFi Stereo Vacuum Tube Preamp","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe Heart of Your HiFi System: TUBE-T4C, a stereo tube preamp designed for your home audio setup. Featuring standard RCA input and output, it effortlessly connects to a wide range of audio sources like PC, phone, tablet, or CD player etc. Simply link its output to your existing power amplifier or active speakers for an instant, significant sound upgrade.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eElevate Your Sound: This Class A tube preamp breathes new life into your tracks, filtering out digital harshness and imbuing your audio with an irresistible warmth, rich depth, and expansive soundstage. Its reasonable circuit layout ensures a silent background and clean output.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCustomize Your Audio: Tailor your sound by simply swapping tubes. Explore different sonic flavors and personalize your listening experience. It's a simple way to customize your audio and discover new dimensions in your favorite tracks.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePrecise Tone Control: Fine-tune your audio to perfection with independent bass and treble knobs. Easily adapt the sound to suit your gear and personal taste. Whether you're an audiophile or just love great sound, the precise tone control can get the most out of your HiFi setup.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompact Size Fits Any Setup: Designed for modern living, the mini preamp boasts a compact size that seamlessly fits into any desktop audio setup. Get rich, warm analog sound in a small footprint, making it the perfect choice for space-conscious audio enthusiasts.   \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e1.The TUBE-T4C is a preamplifier and must be paired with a power amplifier or active speakers. It cannot directly connect passive speakers. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2.Please use the supplied DC 5V\/2A power adapter to ensure optimal performance of the TUBE-T4C. If using other power supply, make sure it provides at least 2A current. Otherwise, the TUBE-T4C may not function properly. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e3.TUBE-T4C adopts pluggable tube socket, default 6J5 vacuum tubes, can be replaced by 6J1, 5654, 6AK5, EF95 etc. For a full list of compatible tube models, please refer to the user manual.   \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Nobsound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: TUBE-T4C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 20-30KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: 100dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoltage amplification: 2.5 times\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput voltage: DC 5V\/≥ 2A (5.5*2.5mm) \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 78*82*32mm \/ 3.07*3.23*1.26in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 135*85*90mm \/ 5.31*3.34*3.54in \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 230g\/ 0.51lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 400g \/ 0.88lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking list\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* TUBE-T4C Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2* 6J5 Tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* DC 5V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47751490339048,"sku":"XZ-TUBE-T4C-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47751490371816,"sku":"XZ-TUBE-T4C-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47751490404584,"sku":"XZ-TUBE-T4C-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47751490437352,"sku":"XZ-TUBE-T4C-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47751490470120,"sku":"XZ-TUBE-T4C","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_f103a907-073c-4f06-9e2e-e204b2b03790.jpg?v=1760939380"},{"product_id":"pre-sale-douk-audio-tx1-word-clock","title":"Douk Audio TX1 Word Clock with 9 Display Modes, Music Spectrum","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"4\"\u003e\u003cspan\u003eRead Time in a New Way: More than a traditional clock, TX1 shows time in readable phrases or a classic digital display with second-level accuracy, making it more intuitive, engaging, and visually striking. A unique word clock that instantly elevates your desk, bedroom, office, studio, or living room.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"5\"\u003e\u003cspan\u003eVisual Modes for Every Mood: With 9 display modes, TX1 can be a clear clock during work, a sound-reactive spectrum display during music playback, or a playful animated accent for gaming and relaxation, making one clock feel practical, expressive, and never boring.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCustom Vibe and Glow: With 7 color styles and 5 brightness levels, TX1 adapts to how and where you use it. Pick a clean single-color look for focused moments, a multicolor style for RGB gaming setups, or a lower brightness level for bedside and late-night use without harsh glare.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFlexible Placement For Any Setup: TX1 gives you more ways to display it, from a desktop clock to a wall, pegboard, or magnetic surface. The support rod offers two viewing angles, the metal bracket adds height and tilt adjustment, and three USB-C ports keep cable routing neat.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePrecision Meets Design: The RX8025-T RTC keeps time accurate within 30 seconds per year and retains time for up to one month after power loss. CNC aluminum and black tempered glass front create a sleek, durable clock for daily use and a distinctive gift.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US \/ Without Stand","offer_id":47960661917928,"sku":"XX-TX1-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"US \/ With Stand","offer_id":47960661950696,"sku":"XX-TX1-ZJ-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"UK \/ Without Stand","offer_id":47960661983464,"sku":"XX-TX1-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"UK \/ With Stand","offer_id":47960662016232,"sku":"XX-TX1-ZJ-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"EU \/ Without Stand","offer_id":47960662049000,"sku":"XX-TX1-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"EU \/ With Stand","offer_id":47960662081768,"sku":"XX-TX1-ZJ-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"AU \/ Without Stand","offer_id":47960662114536,"sku":"XX-TX1-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"AU \/ With Stand","offer_id":47960662147304,"sku":"XX-TX1-ZJ-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"China \/ Without Stand","offer_id":47960662180072,"sku":"XX-TX1","price":79.99,"currency_code":"USD","in_stock":true},{"title":"China \/ With Stand","offer_id":47960662212840,"sku":"XX-TX1-ZJ","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/0_532a9561-e338-4091-81e7-e6b1dea32c18.jpg?v=1779864651"}],"url":"https:\/\/duukaudio.com\/collections\/20-%e6%8a%98%e6%89%a3.oembed?page=2","provider":"Douk Audio","version":"1.0","type":"link"}