{"title":"NEW RELEASES","description":"","products":[{"product_id":"douk-audio-lab-tx7-vu-meter-audio-spectrum-visualizer-desk-clock-display-decor","title":"Douk Audio Lab TX7 Desktop Display with VU Meter, Spectrum Visualizer \u0026 Clock","description":"\u003cdiv class=\"des\"\u003e\n\u003ch4 class=\"STYLE4\"\u003eFeatures\u003c\/h4\u003e\n\u003cp class=\"STYLE4\"\u003e \u003c\/p\u003e\n\u003cspan class=\"STYLE1\"\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli class=\"STYLE3\"\u003eBring Every Sound into View: Seven VU meter styles turn changing signal levels into smooth, responsive needle motion with a lifelike analog feel, while 2 audio spectrum visualizer modes reveal frequency movement in crisp detail and vivid color. Made for listeners who enjoy watching the signal as much as hearing the sound.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE3\"\u003e\n\u003cli\u003eTune Every Visual Response: Choose AUX line input for direct response or MIC pickup for convenience. Fine-tune VU motion with gain, damping, and stiffness, while spectrum mode adds 32\/64-band detail, response curves, real\/smooth response, colors, and peak\/fall timing to match your source and style.  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE3\"\u003e\n\u003cli\u003eTurn Time Into Desk Ambiance: Give quiet moments their own look with 4 clock styles, 2 animated scenes, and 12 static standby screens. From focused work to late-night gaming or relaxed listening, TX7 stays useful as a desk clock and expressive as visual decor, keeping the setup fresh throughout the day. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE3\"\u003e\n\u003cli\u003eTouch Control Made Effortless: Swipe between display styles, tap into settings, and fine-tune key visuals with on-screen sliders. The responsive touchscreen keeps every change direct and intuitive, so you can refresh the mood, try a new look, or refine the display in seconds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"STYLE3\"\u003eRefined Style for Modern Setups: Sandblasted anodized aluminum gives TX7 a refined look and solid feel. Vivid motion, retro VU charm, and changing visuals bring personality to any setup, making it a natural desk centerpiece and a memorable gift for music lovers, gamers, and desk setup fans. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003chr\u003e\n\u003cbr\u003e\n\u003cp class=\"STYLE4\"\u003ePacking List\u003c\/p\u003e\n\u003cp class=\"STYLE3\"\u003e \u003c\/p\u003e\n\u003cdiv class=\"STYLE3\"\u003e\n\u003cul\u003e\n\u003cli\u003e1 × TX7\u003c\/li\u003e\n\u003cli\u003e1 × Leather Storage Case\u003c\/li\u003e\n\u003cli\u003e1 × 3.5 mm 1-to-2 Cable\u003c\/li\u003e\n\u003cli\u003e1 × USB-C Cable\u003c\/li\u003e\n\u003cli\u003e1 × 3.5 mm AUX Cable\u003c\/li\u003e\n\u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp class=\"STYLE4\"\u003eParameters\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"img-text-wrap\"\u003e\n\u003cdiv class=\"text-center\"\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Douk Audio Lab\u003c\/li\u003e\n\u003cli\u003eModel: TX7\u003c\/li\u003e\n\u003cli\u003eAudio Inputs: 3.5mm AUX Line In \/ MIC Pickup\u003c\/li\u003e\n\u003cli\u003eDisplay Resolution: 960 × 320 Pixels\u003c\/li\u003e\n\u003cli\u003eControl Method: Touchscreen\u003c\/li\u003e\n\u003cli\u003eMain Display Modes: VU \/ Audio Spectrum \/ Clock \/ Standby\u003c\/li\u003e\n\u003cli\u003eVU Mode: 7 Styles\u003c\/li\u003e\n\u003cli\u003eAudio Spectrum Mode: 2 Styles\u003c\/li\u003e\n\u003cli\u003eSpectrum Display: 32-Band \/ 64-Band\u003c\/li\u003e\n\u003cli\u003eClock Mode: 4 Styles\u003c\/li\u003e\n\u003cli\u003eClock Format: 12-Hour \/ 24-Hour\u003c\/li\u003e\n\u003cli\u003eStandby Mode: 14 Built-in Screens (2 Animated + 12 Static)\u003c\/li\u003e\n\u003cli\u003ePower Input: USB-C 5V \/ 1A\u003c\/li\u003e\n\u003cli\u003eDimensions (W × D × H): 124 × 23 × 54 mm \/ 4.89 × 0.91 × 2.13 in\u003c\/li\u003e\n\u003cli\u003ePackage Dimensions (W × D × H): 154 × 48 × 110 mm \/ 6.06 × 1.89 × 4.33 in\u003c\/li\u003e\n\u003cli\u003eNet Weight: 348 g \/ 0.77 lb\u003c\/li\u003e\n\u003cli\u003ePackage Weight: 581 g \/ 1.28 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":48710518767848,"sku":"DZ116-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":48710518800616,"sku":"DZ116-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":48710518833384,"sku":"DZ116-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":48710518866152,"sku":"DZ116-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":48710518898920,"sku":"DZ116","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_82f928d0-ec32-4ed3-9035-f11141c18467.jpg?v=1783414930"},{"product_id":"ampapa-h1-class-a-headphone-amplifier-with-4000mw-output-trs-rca-preamp","title":"[Pre-Sale] Ampapa H1 Class A Headphone Amplifier 4000mW with TRS\/RCA Preamp","description":"\u003ch4 class=\"STYLE2\"\u003eFeatures\u003c\/h4\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE2\"\u003e\n\u003cli\u003ePower for Demanding Headphones: Built around a discrete Class A output stage, Ampapa H1 delivers strong current drive and up to 4000mW from its balanced high-gain output, giving 16–600Ω headphones wider headroom, steadier control and smoother dynamics. 4.4mm, 4-pin XLR and 6.35mm outputs fit more full-size HiFi headphone setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE2\"\u003e\n\u003cli\u003ePreamp Control for Your Audio System: With 2×RCA and 1×TRS analog I\/O, H1 keeps your DAC, CD player and streamer connected for simple source selection, while its preamp outputs can stay linked to multiple power amps or active speakers for system expansion. Designed to complement Ampapa Q1 and D1, it adds tube preamp control for a more unified stack.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE2\"\u003e\n\u003cli\u003eCustom ECC83 Tube Character: Made with exclusive PSVANE × Douk Audio ECC83 tubes, H1 brings a warmer, richer tube character to both headphone listening and preamp output. The custom tube set gives H1 a more distinctive out-of-box identity, while tube rolling support leaves room to fine-tune the sound later.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE2\"\u003e\n\u003cli\u003eEffortless Control Across Your Setup: Low, mid and high gain help H1 match sensitive headphones, everyday models and harder-to-drive pairs with less guesswork. HP, Line and HP+Line output modes cover headphone, preamp output or both, while the 1.5-inch OLED keeps key status clear and 12V Trigger helps compatible gear power on\/off together.  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"STYLE2\"\u003eBuilt for Refined HiFi Use: Japan NJW1195 volume IC keeps channel balance stable, while pluggable op-amps leave room for sound tuning. 0.04% THD+N and ≥113dB SNR support clean signal performance, and the low-noise relays, isolated tube power shielding and CNC aluminum chassis add quieter operation and lasting build quality for demanding headphone listeners or serious HiFi users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eParameters\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"STYLE14\"\u003e\u003cspan class=\"STYLE15\"\u003e\u003cspan class=\"STYLE16\"\u003e\u003cstrong data-end=\"104\" data-start=\"94\"\u003eBrand:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAmpapa\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"124\" data-start=\"114\"\u003eModel:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eH1\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"148\" data-start=\"131\"\u003eAudio Inputs:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e2 × RCA Inputs \/ 1 × TRS Input\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"201\" data-start=\"183\"\u003eAudio Outputs:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e2 × RCA Outputs \/ 1 × TRS Output\u003c\/li\u003e\n\u003cli\u003e4-Pin XLR \/ 6.35mm \/ 4.4mm Headphone Outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"295\" data-start=\"285\"\u003eTHD+N:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e0.04%\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"313\" data-start=\"305\"\u003eSNR:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e≥113dB\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"347\" data-start=\"324\"\u003eFrequency Response:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e20Hz–20kHz (±0.7dB)\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"391\" data-start=\"369\"\u003eInput Sensitivity:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eRCA: 1V ; TRS: 2V\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong\u003eRated Output Level (by Gain): \u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"456\" data-start=\"441\"\u003eRCA Output:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eHigh-3.0V ; Mid-2.1V ; Low-1.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"525\" data-start=\"510\"\u003eTRS Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-6.0V ; Mid-4.3V ; Low-3.0V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"STYLE2\" data-end=\"615\" data-start=\"584\" data-section-id=\"1f8qvx3\"\u003e\n\u003cstrong\u003eRated Headphone Output Power (by Gain):\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"637\" data-start=\"617\"\u003eBalanced Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-4W ; Mid-2W ; Low-1W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"709\" data-start=\"685\"\u003eSingle-Ended Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-1000mW ; Mid-500mW ; Low-250mW\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"799\" data-start=\"767\"\u003eMatched Headphone Impedance:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e16–600Ω\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"854\" data-start=\"838\"\u003ePower Input:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eDC 12V \/ ≥2A, 5.5 × 2.1mm\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong\u003eDimensions (W*D*H)\u003c\/strong\u003e: 155 × 124 × 42mm \/ 6.10 × 4.88 × 1.65in \u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"907\" data-start=\"884\"\u003ePackage Dimensions:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e268 × 192 × 95mm \/ 10.55 × 7.56 × 3.74in\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e750g \/ 1.64lb\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e\n\u003cstrong data-end=\"971\" data-start=\"952\"\u003ePackage Weight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e1.28kg \/ 2.82lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"STYLE3\"\u003ePacking List\u003c\/p\u003e\n\u003cdiv class=\"STYLE2\"\u003e\n\u003cul\u003e\n\u003cli\u003e1 × H1\u003c\/li\u003e\n\u003cli\u003e2 × ECC83 Tubes\u003c\/li\u003e\n\u003cli\u003e1 × DC 12V Power Adapter\u003c\/li\u003e\n\u003cli\u003e1 × 6.35mm to 3.5mm Adapter\u003c\/li\u003e\n\u003cli\u003e1 × 3.5mm Trigger Cable\u003c\/li\u003e\n\u003cli\u003e1 × Certificate\u003c\/li\u003e\n\u003cli\u003e1 × Warranty\u003c\/li\u003e\n\u003cli\u003e1 × Cleaning Cloth\u003c\/li\u003e\n\u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFAQs\u003c\/p\u003e\n\u003cdiv class=\"qa-container\"\u003e\n\u003cdiv class=\"qa-question\"\u003e\n\u003cdiv class=\"icon question-icon\"\u003eQ: Can I use multiple headphone outputs at the same time?\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-answer\"\u003e\n\u003cdiv class=\"icon answer-icon\"\u003eA: \u003cspan class=\"STYLE15\"\u003eThe 6.35mm output has priority. When a 6.35mm plug or adapter is inserted, the 4.4mm and 4-pin XLR outputs are disabled. For best performance, we recommend using one headphone output at a time.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-container\"\u003e\n\u003cdiv class=\"qa-question\"\u003e\n\u003cdiv class=\"icon question-icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"icon question-icon\"\u003eQ: \u003cspan class=\"STYLE15\"\u003eHow should I choose the gain setting?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-answer\"\u003e\n\u003cdiv class=\"icon answer-icon\"\u003eA: \u003cspan class=\"STYLE15\"\u003eUse Low Gain for sensitive or low-impedance headphones, Mid Gain for most daily listening, and High Gain for high-impedance or harder-to-drive headphones. Start low, then increase the gain if more volume or drive is needed.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-container\"\u003e\n\u003cdiv class=\"qa-question\"\u003e\n\u003cdiv class=\"icon question-icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"icon question-icon\"\u003eQ: \u003cspan class=\"STYLE15\"\u003eCan I replace the tubes?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-answer\"\u003e\n\u003cdiv class=\"icon answer-icon\"\u003eA: \u003cspan class=\"STYLE15\"\u003eYes. H1 uses ECC83 tubes and supports compatible tube rolling with 12AX7, 7205, 6N4 and 5751 tubes. Always power off the H1 before replacing tubes, and confirm compatibility before trying other tube models.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-container\"\u003e\n\u003cdiv class=\"qa-question\"\u003e\n\u003cdiv class=\"icon question-icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"icon question-icon\"\u003eQ: \u003cspan class=\"STYLE15\"\u003eCan I replace the op-amps?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-answer\"\u003e\n\u003cdiv class=\"icon answer-icon\"\u003eA: \u003cspan class=\"STYLE15\"\u003eYes. H1 uses two pluggable LME49720 op-amps and supports replacement with standard DIP-8 dual op-amps such as OPA2604, OPA2134 and MUSES02. Please power off the H1 before replacement and check chip orientation carefully.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-container\"\u003e\n\u003cdiv class=\"qa-question\"\u003e\n\u003cdiv class=\"icon question-icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"icon question-icon\"\u003eQ: \u003cspan class=\"STYLE15\"\u003eWhat power adapter should I use?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qa-answer\"\u003e\n\u003cdiv class=\"icon answer-icon\"\u003eA: \u003cspan class=\"STYLE15\"\u003ePlease use the included DC 12V\/2A power adapter. If using another adapter, choose a high-quality DC 12V adapter rated at 2A or higher. Do not use an adapter with excessive voltage.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"STYLE3\"\u003e \u003c\/p\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":48735679742184,"sku":"SUC-H1-US","price":179.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":48735679774952,"sku":"SUC-H1-UK","price":179.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":48735679807720,"sku":"SUC-H1-DE","price":179.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":48735679840488,"sku":"SUC-H1-AU","price":179.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":48735679873256,"sku":"SUC-H1","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_bf5f9db8-3dcd-410d-b973-a16af285dd95.jpg?v=1783930279"},{"product_id":"pre-sale-douk-audio-vu2-pro-4-way-audio-selector-with-accurate-analog-vu-meter","title":"[Pre-Sale] Douk Audio VU2-PRO：4‑Way Audio Selector with Accurate Analog VU Meter","description":"\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRetro VU Appeal Meets Precision Metering: VU2-PRO keeps VU2's classic dual-meter appeal and flexible RCA audio switching\/splitting, then steps up with calibrated level readings. See real analog levels, keep more gear connected, and spend less time rewiring when switching, comparing, or expanding your HiFi system.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRead the Signal Behind the Swing: See accurate signal levels from front-end gear, making output differences and musical dynamics easier to understand without guessing by ear. Whether input levels are low or high, three meter-gain settings keep readings clear at a glance without changing the audio signal. Choose AVE for steadier average readings or PEAK to catch sudden signal peaks.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eLess Rewiring as Your System Grows: Keep more gear connected instead of swapping cables between setups. Connect up to four RCA sources like DACs or preamps and switch between them, or send one source to as many as four RCA outputs at once. Independent XLR pass-through adds VU metering to your balanced setup. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBring Every Track to Life: Large analog VU meters make every rise and fall in music more vivid, easy to enjoy even from your listening seat. Choose from 35 backlight colors, color cycling, and 5 brightness levels to shape the look from a warm vintage glow to a cool modern vibe. For distraction-free listening, turn off the meters while switching stays active.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBuilt to Belong in Your HiFi: CNC aluminum front panel and steel chassis bring the solid feel of true HiFi gear. USB-C DC 5V\/≥2A power keeps setup simple, while remote control and 5–15V Trigger IN\/OUT bring convenient switching and synchronized power control. A GND terminal adds grounding flexibility for managing hum or interference.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: Which VU meter GAIN setting should I use?\u003cbr\u003eA: \u003c\/strong\u003eIf the input level is unknown, start at −20 dB. Maximum input: 24.5 Vrms at −20 dB, 7.75 Vrms at −10 dB, and 2.45 Vrms at 0 dB. Do not exceed the limit for the selected gain setting. GAIN only affects the VU meter range, not the audio level.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: Can multiple RCA channels operate at the same time?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e In 1-IN-4-OUT mode, up to four RCA outputs can work at the same time. In 4-IN-1-OUT mode, multiple inputs can be selected, but using one at a time is recommended since there’s no separate volume control for each channel. Multiple outputs can only be selected simultaneously using the front-panel buttons.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: Can RCA and XLR work at the same time?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. RCA and XLR operate independently and can be used simultaneously. XLR passes directly from IN to OUT, while the RCA\/XLR selector only changes which signal the VU meters display.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003eQ: Why isn’t Trigger OUT activating my other device?\u003cbr\u003eA: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003eTrigger OUT only passes a control signal when Trigger IN receives a 5–15V trigger signal. It does not generate trigger voltage on its own.\u003c\/span\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: Can I turn off the VU meters without affecting audio operation?\u003cbr\u003eA:\u003c\/strong\u003e Yes. Set the VU Meter GAIN selector to OFF; the meters and backlight will turn off, while RCA switching and XLR pass-through continue to work normally.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: What type of power supply should I use?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Use a standard DC 5 V \/ ≥2 A USB power supply. Most fast-charging power supplies will work, but some may not be recognized correctly. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003eAre batteries included with the remote control?\u003c\/span\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For safer and faster delivery, batteries are not included. The remote requires 2 × AAA batteries, which need to be prepared separately. \u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eParameters\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eModel: VU2-PRO\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eAudio Inputs \/ Outputs: \u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eRCA: 1 common I\/O + 4 channel I\/Os\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eXLR: 1 input + 1 output\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eRCA Modes: 4-IN-1-OUT \/ 1-IN-4-OUT\u003c\/span\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eXLR Mode: 1-IN-1-OUT direct pass-through\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eFrequency Response: 20 Hz–20 kHz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eSNR: ≥96 dB\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eInput Impedance: \u003c\/span\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eRCA: 47 kΩ ; \u003c\/span\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eXLR: 10 kΩ\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eVU Meter Gain: 0 \/ −10 \/ −20 dB\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eMeter Scale: −50 dB to +10 dB\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e0 dB Calibration Reference: 0.775 Vrms at 0 dB gain\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eMaximum Input Voltage by Meter Gain:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e0 dB: 2.45 Vrms \/ −10 dB: 7.75 Vrms \/ −20 dB: 24.5 Vrms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eIndication Accuracy: ±2 dB at the 0 dB reference point\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eMeter Response: AVE: 330 ms; PEAK: 100 μs \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eBacklight: 35 colors + color cycling; 5 brightness levels\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eTrigger IN \/ OUT: DC 5–15 V, 3.5 mm TS\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003ePower-Loss Memory: Supported\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003ePower Input: USB-C, DC 5 V \/ ≥ 2A\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eVU Meter Size: 85 × 45 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eDimensions (W × D × H): 275 × 155 × 74 mm \/ 10.83 × 6.10 × 2.91 in\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage Dimensions (W × D × H): 380 × 220 × 100 mm \/ 14.96 × 8.66 × 3.94 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet Weight: 1.46 kg \/ 3.22 lb\u003c\/span\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003ePackage Weight: 1.84 kg \/ 4.06 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cstrong\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003ePacking List\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e1 × VU2 PRO\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 × Power Adapter \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e 1 × Remote Control (Batteries Not Included) \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e 1 × USB Cable \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e 1 × 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":"Black \/ US","offer_id":49017912918248,"sku":"XX-VU2-PRO-H-US","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ UK","offer_id":49017912951016,"sku":"XX-VU2-PRO-H-UK","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ EU","offer_id":49017912983784,"sku":"XX-VU2-PRO-H-DE","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ AU","offer_id":49017913016552,"sku":"XX-VU2-PRO-H-AU","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ China","offer_id":49017913049320,"sku":"XX-VU2-PRO-H","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ US","offer_id":49017913082088,"sku":"XX-VU2-PRO-S-US","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ UK","offer_id":49017913114856,"sku":"XX-VU2-PRO-S-UK","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ EU","offer_id":49017913147624,"sku":"XX-VU2-PRO-S-DE","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ AU","offer_id":49017913180392,"sku":"XX-VU2-PRO-S-AU","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ China","offer_id":49017913213160,"sku":"XX-VU2-PRO-S","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-VU2-PRO1.jpg?v=1788569528"},{"product_id":"pre-sale-douk-audio-vu3-plus-2-way-amplifier-speaker-selector-with-accurate-power-vu-meter","title":"[Pre-Sale] Douk Audio VU3-PLUS：2‑Way Amplifier\/Speaker Selector with Accurate Power VU Meter","description":"\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNext-Generation VU Metering: For listeners who love the sweep of large analog meters but want more practical value, VU3-PLUS answers that need. It carries forward VU3-PRO’s signature visual appeal, flexible amp\/speaker switching and effortless control, while adding precise power monitoring and higher power handling for demanding HiFi systems.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSee What Your Amplifier Delivers: Shows actual amplifier output as clear, accurate watt readings for volume adjustment, speaker pairing and gear comparison. Select 2 \/ 4 \/ 6 \/ 8Ω based on speaker load for greater accuracy. 0 \/ +20dB gain covers a 0.01mW–1000W power measurement range without altering the sound. AVE shows steadier average output, while PEAK captures fast transient peaks.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMore Flexible Listening Setups: As a selector\/splitter, it keeps two amplifiers and two pairs of passive speakers connected without repeated rewiring. Switch between amps and speaker pairs for quick system changes and A\/B comparisons, with the option to keep both speaker pairs active when needed. A built-in 510Ω protective load safeguards the unselected amp during switching. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMusic in Authentic VU Motion: Large analog VU meters follow actual output dynamics, giving every sweep a natural visual rhythm closely tied to the music. Tune the look from subtle glow to bold display with 35 backlight colors, color cycling and five brightness levels. For a more understated look, turn the VU meters off completely while amp\/speaker switching stays active.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eReady for Serious HiFi Systems: Compatible with all common amplifier types—Class A\/B\/D, BTL and tube amplifiers—VU3-PLUS handles up to 1000W pass-through at 8Ω. Remote control and 5–15V Trigger IN\/OUT streamline operation, while GND and USB-C 5V simplify setup. A CNC aluminum front panel and steel chassis give it the solid feel of a true HiFi component.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: What is the maximum output power supported by the VU3-PLUS?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Maximum pass-through power depends on the total load impedance: 200W at 2Ω, 500W at 4Ω, 700W at 6Ω, and 1000W at 8Ω. Do not exceed the corresponding power limit.  \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: Can I use both speaker pairs at the same time, and which impedance setting should I choose?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. When both pairs are active, they are connected in parallel. Select the 2 \/ 4 \/ 6 \/ 8Ω setting closest to their combined impedance for accurate power readings, and make sure your amplifier supports the combined load. For example, 4Ω and 6Ω speakers combine to about 2.4Ω, so select 2Ω.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: Can both amplifiers operate at the same time?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. Both can stay connected, but only one amplifier can be active at a time.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003e\u003cstrong\u003eQ: Will the 0 \/ +20dB gain affect volume or sound?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. It only changes how the VU meters display the signal and does not affect the sound.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003e\u003cstrong\u003eQ: Why isn’t Trigger OUT activating my other device?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Trigger OUT only passes a control signal when Trigger IN receives a 5–15V trigger signal. It does not generate trigger voltage on its own. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003e\u003cstrong\u003eQ: Can I turn off the VU meters and use VU3-PLUS only as a switcher?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The VU meters can be turned off completely while amplifier\/speaker switching and signal routing remain active. \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003e\u003cstrong\u003eQ: What power supply should I use?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Use a standard USB-C 5V \/ ≥2A or higher power supply. Most USB adapters work normally, but some fast-charging supplies may not be recognized correctly.  \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt; color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eQ: Are batteries included with the remote control?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eA: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFor safer and faster delivery, batteries are not included. The remote requires 2 × AAA batteries, which need to be prepared separately.\u003c\/span\u003e \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cstrong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\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: VU3-PLUS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAmplifier Inputs: 2 sets, banana binding posts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSpeaker Outputs: 2 sets, banana binding posts  \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking Mode: 2-In-2-Out\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency Response: 20 Hz-20 kHz, ±3 dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCompatible Amplifiers: All types of amplifiers \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e(BTL\/ Class A\/ Class B \/ Class D digital amp \/ tube amp)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax. Pass-through Power: 200 W @ 2 Ω \/ 500 W @ 4 Ω \/ 700 W @ 6 Ω \/ 1000 W @ 8 Ω\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e Speaker Impedance Settings: 2 Ω \/ 4 Ω \/ 6 Ω \/ 8 Ω \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e VU Meter Gain: 0 dB \/ +20 dB \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e Power Measurement Range: 0 dB: 1 mW–1000 W; +20 dB: 0.01 mW–10 W \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e Indication Accuracy: ±2 dB at the 0 dB reference point \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e Meter Response: AVE: 330 ms; PEAK: 100 μs \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBacklight: 35 colors + color cycling; 5 brightness levels  \u003c\/span\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;\"\u003e Amplifier No-Load Protection: Built-in 510 Ω protective load \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e Trigger IN \/ OUT: DC 5–15 V, 3.5 mm TS \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e Power Input: USB-C, DC 5 V \/ ≥ 2 A \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e VU Meter Size: 85 × 45 mm \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e Dimensions (W × D × H): 275 × 155 × 74 mm \/ 10.83 × 6.10 × 2.91 in\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): 380 ×  220 × 100 mm \/ 14.96 × 8.66 × 3.94 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet Weight: 1.78 kg \/ 3.92 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage Weight: 2.17 kg \/ 4.78 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\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\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 × VU3-PLUS\u003cspan\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e 1 × Power Adapter \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e 1 × Remote Control (Batteries Not Included) \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e 1 × USB Cable \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e 1 × User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"Black \/ US","offer_id":49019765915880,"sku":"XX-VU3-PLUS-H-US","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ UK","offer_id":49019765948648,"sku":"XX-VU3-PLUS-H-UK","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ EU","offer_id":49019765981416,"sku":"XX-VU3-PLUS-H-DE","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ AU","offer_id":49019766014184,"sku":"XX-VU3-PLUS-H-AU","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ China","offer_id":49019766046952,"sku":"XX-VU3-PLUS-H","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ US","offer_id":49019766079720,"sku":"XX-VU3-PLUS-S-US","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ UK","offer_id":49019766112488,"sku":"XX-VU3-PLUS-S-UK","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ EU","offer_id":49019766145256,"sku":"XX-VU3-PLUS-S-DE","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ AU","offer_id":49019766178024,"sku":"XX-VU3-PLUS-S-AU","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ China","offer_id":49019766210792,"sku":"XX-VU3-PLUS-S","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_f67f373c-2148-42d2-9aa6-302cc52e68c8.jpg?v=1788579548"},{"product_id":"pre-sale-douk-audio-s4-dual-4-inch-2-way-passive-bookshelf-speakers","title":"[Pre-Sale] Douk Audio S4 Dual 4-Inch 2-Way Passive Bookshelf Speakers","description":"\u003ch4 class=\"STYLE2\"\u003eFeatures\u003c\/h4\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"STYLE2\"\u003eDual 4-Inch Sound with Real Body: Built for listeners who want richer, more grounded sound from a passive bookshelf speaker, each S4 uses dual 4-inch mid-bass drivers to handle lower mids and bass with more ease. Vocals gain warmer presence, drums hit with cleaner impact, and audio feels fuller and more complete without loose boom.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE2\"\u003e\n\u003cli\u003eThree Drivers for Layered Texture: A coated 25mm silk dome tweeter with a neodymium motor keeps highs smooth and clear. Nomex composite mid-bass drivers, long-excursion design, and shorting rings support steadier cone control and lower distortion. The result is richer texture and cleaner separation, making complex music easier to follow.  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE2\"\u003e\n\u003cli\u003eAcoustic Tuning for Balanced Playback: A 3kHz crossover with selected MKP capacitors and air-core inductors refines the handoff between the silk tweeter and dual mid-bass drivers. The tuned bass-reflex cabinet reinforces low-end body through controlled airflow, giving S4 a more cohesive, well-balanced playback character.  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE2\"\u003e\n\u003cli\u003eBi-Wire and Bi-Amp Ready: With 4Ω impedance and 50W AES \/ 100W Max power handling, S4 is designed as a natural match for most Douk Audio, Nobsound, and Ampapa amplifier setups. Bi-wire and bi-amp ready terminals let advanced HiFi systems separate high and low frequency paths for cleaner signal flow, stronger drive control, and future upgrades. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"STYLE2\"\u003ePiano Gloss with Modern Elegance: Made to be seen, the white piano-gloss cabinet softens the equipment-heavy look of traditional speakers. On speaker stands, shelves, desktop setups, or audio racks, it becomes a polished focal point. Rounded edges, no veneer edges to lift, protective grilles, and anti-slip foot pads keep the pair clean, stable, and display-ready.  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"STYLE3\"\u003ePacking List\u003c\/p\u003e\n\u003cdiv class=\"STYLE2\"\u003e\n\u003cblockquote\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cul\u003e\n\u003cli\u003e1 Pair × S4\u003c\/li\u003e\n\u003cli\u003e2 × Speaker Grilles\u003c\/li\u003e\n\u003cli\u003e4 × Anti-Slip Foot Pads\u003c\/li\u003e\n\u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":49021552001256,"sku":"SUC-S4-US","price":399.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":49021552034024,"sku":"SUC-S4-UK","price":399.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":49021552066792,"sku":"SUC-S4-DE","price":399.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":49021552099560,"sku":"SUC-S4-AU","price":399.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":49021552132328,"sku":"SUC-S4","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/000_fb0caf4f-9b23-498f-a98c-f9c7ccc9befc.jpg?v=1788589602"},{"product_id":"pre-sale-douk-audio-vol-4-stereo-volume-controller-with-remote","title":"[Pre-Sale] Douk Audio VOL-4 Stereo Volume Controller with Remote","description":"\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eUpgrade Your HiFi Volume Control: Keep the HiFi system you already enjoy while adding convenient remote volume control. VOL-4 is ideal for fixed-output DACs and streamers, or systems where volume controls are missing or hard to reach—without replacing the rest of your setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18.6667px;\"\u003eMore From One Remote: Control volume, tone, power and mute directly from your listening position. Dedicated buttons keep everyday adjustments within easy reach, while one-touch mute handles calls or conversations without changing your preferred volume setting.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18.6667px;\"\u003eSee Every Setting as You Tune: Set volume from 0–99 with clear OLED feedback for every adjustment, making familiar settings easy to revisit. Bass and treble each offer ±9 dB of tuning range, giving you room to shape tonal balance around different music, speakers and listening preferences.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18.6667px;\"\u003eKeep Your HiFi Signal Clean: VOL-4 adds easier volume control without making signal quality an afterthought. SNR ≥115 dB and THD+N 0.001% maintain very low noise and distortion, while closely matched L\/R output adds confidence in consistent stereo performance. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18.6667px;\"\u003eBuilt to Fit Your System: Connect VOL-4 between common RCA line-level sources and power amps or active speakers, while Bypass sends the RCA signal directly through when powered but switched off. The GND terminal gives short turntable ground leads a closer grounding point, and 5V USB-C keeps setup and placement flexible.  \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eQ: Why is there still sound after VOL-4 is turned off, and why is it louder?\u003cbr\u003eA: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18.6667px;\"\u003eThis is normal. When powered but switched off, VOL-4 passes the RCA signal through at full volume, bypassing volume and tone controls. Lower source or downstream volume before switching on\/off.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: What is the GND terminal used for?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If your turntable ground lead is too short, VOL-4 can act as an intermediate grounding point between the turntable and your amplifier or phono preamp, giving you more flexibility in equipment placement. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eQ: Why doesn’t the remote control include batteries?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The remote requires 2 × AAA batteries, which are not included. Please prepare them separately before use. \u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eParameters\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eBrand: Douk Audio\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eModel: VOL-4\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eAudio Input: Stereo RCA\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eAudio Output: Stereo RCA\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eTHD+N: 0.001%\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eSNR: ≥115 dB\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eFrequency Response: 20 Hz–20 kHz (±0.1 dB)\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eInput Sensitivity: 2 V\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eInput Impedance: 47 kΩ\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eOutput Impedance: 10 kΩ\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eMaximum Output Level: 2 V\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eVolume Range: 0–99\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eBass\/Treble Adjustment: ±9 dB\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003ePower Input: USB-C, DC 5V \/ ＞1A\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eDimensions (W × D × H): 95 × 70 × 30 mm \/ 3.74 × 2.76 × 1.18 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eNet Weight: 204 g \/ 0.45 lb\u003c\/span\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003ePackage Weight: 420 g \/ 0.93 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e1 × VOL-4\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e1 × Remote Control (Without Batteries)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e1 × DC 5V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e1 × USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\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":49044639056104,"sku":"SUC-VOL-4-US","price":69.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":49044639088872,"sku":"SUC-VOL-4-UK","price":69.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":49044639121640,"sku":"SUC-VOL-4-DE","price":69.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":49044639154408,"sku":"SUC-VOL-4-AU","price":69.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":49044639187176,"sku":"SUC-VOL-4","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/0_87f601e3-c75b-411c-bdf3-b4a77ceb4e42.jpg?v=1789093548"},{"product_id":"douk-audio-u2-pro-fc-xmos-xu316-usb-ddc-reclocker-femtosecond-version","title":"[Pre-Sale] Douk Audio U2-PRO-FC XMOS XU316 USB DDC Reclocker-Femtosecond Version","description":"\u003ch4 class=\"STYLE3 STYLE34 STYLE15\"\u003eFeature\u003c\/h4\u003e\n\u003cp class=\"STYLE2\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"STYLE2\"\u003eUpgrade Your USB Digital Link: Convert USB audio from computers, phones and streamers to optical, coaxial and I2S simultaneous outputs, bringing modern sources to DACs, AV receivers and soundbars without USB input. Femtosecond clocking and dedicated USB-C power raise the performance ceiling for more lifelike playback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE15\"\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE15\"\u003e\n\u003cli class=\"STYLE34\"\u003eUnlock More with Femto Clocking: Crystek CCHD-957 femtosecond clocking lowers phase noise and jitter beyond standard clocking, bringing firmer imaging, cleaner separation and finer ambience cues. Dedicated USB-C power supports premium or linear supplies, matching precision clocking with an equally serious power foundation.  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE15\"\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE15\"\u003e\n\u003cli class=\"STYLE34\"\u003eUnleash Hi-Res with XMOS XU316: Asynchronous USB processing handles PCM up to 32-bit\/768kHz and DSD512, delivering high-rate audio for capable DACs with greater clarity and stability. I2S carries the highest rates beyond standard S\/PDIF bandwidth, keeping your digital front end from becoming the bottleneck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE15\"\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE15\"\u003e\n\u003cli class=\"STYLE34\"\u003eTwo UAC Modes for More Sources: Choose UAC 1.0 for driver-free USB audio from PS4, PS5 and Switch, or UAC 2.0 for high-rate PCM and DSD from PCs, phones, tablets and streamers. One digital interface adapts to both console compatibility and serious HiFi playback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"STYLE15\"\u003e \u003c\/p\u003e\n\u003cul class=\"STYLE15\"\u003e\n\u003cli class=\"STYLE34\"\u003eBuilt for Easier HiFi Integration: Check I2S compatibility quickly with the printed bottom-panel pinout, while five LEDs show PCM\/DSD format and sample rate at a glance. The compact aluminum chassis fits neatly beside your DAC or amp, and the included 2-in-1 USB-A\/USB-C cable makes more sources easy to connect.  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"STYLE3\"\u003eSystem Driver Requirements\u003c\/p\u003e\n\u003cp class=\"STYLE3\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"STYLE2\"\u003eFor Windows 10 and Above: Driver-free for PCM up to 384kHz; Requires driver for higher sampling rate and DSD \u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003eFor MacOS: Driver-free\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003eFor Win 7\/8: Requires driver for PCM\/DSD\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003eFor Android: Driver-free\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003eFor iOS: Driver-free\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003eFor Linux: Driver-free\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"STYLE2\"\u003eFor PS4\/PS5\/Switch: Driver-free \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"STYLE15 STYLE2\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"STYLE15 STYLE2\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"STYLE2\"\u003e1 × U2-PRO-FC\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e1 × Optical Cable\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e1 × USB-A\/C to USB-C Cable\u003c\/li\u003e\n\u003cli class=\"STYLE2\"\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":49064709587176,"sku":"SUC-U2-PRO-FC-US","price":249.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":49064709619944,"sku":"SUC-U2-PRO-FC-UK","price":249.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":49064709652712,"sku":"SUC-U2-PRO-FC-DE","price":249.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":49064709685480,"sku":"SUC-U2-PRO-FC-AU","price":249.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":49064709718248,"sku":"SUC-U2-PRO-FC","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/0_b2a415e9-1e8f-47cb-91c3-513577d0a7d2.jpg?v=1789453845"}],"url":"https:\/\/duukaudio.com\/fr-ca\/collections\/new-releases.oembed","provider":"Douk Audio","version":"1.0","type":"link"}