{"title":"Audio Preamp","description":"","products":[{"product_id":"doukaudibestseller.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":"nobsound-ns-10p-mini-vacuum-tube-preamp-hifi-stereo-preamp-amplifier-treble-bass","title":"Nobsound NS-10P Mini Vacuum Tube Stereo Preamp HiFi Home Audio Pre-Amplifier with Treble Bass Control","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv align=\"center\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe newest tube preamp of Nobsound with upgraded function and design. Hundreds of reviews and thousands of customers witness the excellent sound performance and quality of our Nobsound NS-08E. This new product will satisfy you again.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eExcellent sound performance far more than what you paid for; No background noise; Adding tube sound and eliminating digital style for your sound system; Providing warm and soft sound output; Enhancing sound field and sound quality remarkably; Suitable for vocal \/ string music \/ soft music \/ classic music.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eStrong functionality and playability; With independent treble, bass and volume control; Vacuum tube can be replaced by 6ж1П \/ 6AK5 \/ 6BC5 \/ 403A\/B \/ 5654 \/ EF40 \/ F95 \/ CV850.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eMini size and exquisite appearance with classic Black \u0026amp; Gold color combination; CNC chamfering process for its aluminum shell and front panel; Beautiful blue tube light; Mellow and solid touch feeling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003ePure tube preamplifier (only 1.5 ~ 2 times voltage amplification); Its vacuum tube 6J1 adopts classic triode amplifier circuit (high voltage supply); Class A with good sound feeling; Suitable for almost all amplifier circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003ePlease note this is a preamplifier (not like NS-08E), which needs to be connected with amplifiers or active speakers. It suits for almost all amplifiers in the market especially for our tube headphone amps like our Nobsound NS-08E, NS-01E and NS-02E, and will greatly enhance the sound performance of digital amplifiers like our TPA3116 amps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eUsing Instructions\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003ePhone \/ Player \/ MP3 \/ CD \/ DAC \/ Computer Audio source→ 3.5mm \/ RCA audio cable → NS-10P preamp → 3.5mm \/ RCA audio cable → Amplifier \/ Headphone amplifier \/ Active speakers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePower supply: Input -- AC 100~240V; 50\/60Hz (universal) \u0026amp; Output -- DC 6V 2000Ma\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVoltage amplification: 1.5 ~ 2.0 times\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input \/ output: standard 3.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePower interface: 6V -- 5.5 * 2.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSNR: ≥ 110dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: 20Hz ~ 30 KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions: 105 * 69 * 32 (65mm height with tubes)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 205g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\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\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1 * NS-10P tube preamp\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e2 * 6J1 tubes\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1 * power supply\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406954250472,"sku":"DZ030-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406954283240,"sku":"DZ030-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406954316008,"sku":"DZ030-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406954348776,"sku":"DZ030-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406954381544,"sku":"DZ030","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/DZ030_1.jpg?v=1679042264"},{"product_id":"nobsound-p1-hifi-bluetooth-5-0-ge5654-vacuum-tube-preamp-usb-dac-amp-stereo-receiver-aptx-hd","title":"Douk Audio P1 HiFi Bluetooth 5.0 Vacuum Tube Preamp USB DAC Stereo Headphone Amplifier APTX-HD","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWith 3 kinds of audio input(Bluetooth\/USB\/RCA) and 2 kinds of output(RCA\/3.5mm headphone), P1 can be used as HiFi tube Preamp, USB DAC or headphone amp with HiFi clear, warm, dynamic, sweet tube sound, bringing extremely high-quality listening experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBluetooth 5.0 (QCC3034) supporting APTX-HD lossless transmission. PC-USB (CM6642) supporting 24bit 192KHz and compatible with Windows\/Mac\/Linux system, matching well with many audio devices such as iPod, Phone, MP3 players, TV, Blu-ray players, Echo Dot, CD players, etc. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdopting NE5532 op amp+classic 47 headphone amp architecture which can drive 32-300 ohms headphones, and a bypass switch is specially designed to turn on\/off the tone control, more convenient to enjoy original sound or obtain more delicate sound with treble and bass control knob, adding much fun and higher playability. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExquisite appearance with proper size, blue and orange light decorating vacuum tube, makes it fashionable and attractive, bringing wonderful auditory and visual enjoyment, very suitable for home and desktop audio system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eChip Architecture: CM6642+QCC3034+NE5532+classic 47 \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePC-USB Input Sampling Frequency: 192K\/24Bit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTHD: 0.01%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePC-USB System: supported XP\/W7\/W8\/W10\/MAC\/Linux\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBluetooth VER: 5.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHeadphone matching impedance: 32-300Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSNR: 103dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHeadphone Max power output: 160mW 32Ω load\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBass \u0026amp; Treble Range: ±6dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProduct Dimension: 180*118*36mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRCA output level: 2.3V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency Range: 20Hz-20kHz(±3dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Dimension: 240*210*60mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProduct Weight: 0.47kg\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\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\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*P1 Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*JAN5725 Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli 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-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Bluetooth Antenna \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\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":47406480195816,"sku":"DZ066-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406480228584,"sku":"DZ066-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406480261352,"sku":"DZ066-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406480294120,"sku":"DZ066-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406480326888,"sku":"DZ066","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/4_6c9fd34d-07b6-41b2-ba86-3467f9b6ff4d.jpg?v=1744601652"},{"product_id":"nobsound-t3-pro-mm-phono-stage-preamp-mini-stereo-vacuum-tube-preamplifier","title":"Douk Audio T3 PRO Mini Tube MM Phono Stage Preamp for Home Turntables HiFi Stereo Audio Preamplifier","description":"\u003c!-- x-tinymce\/html --\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\"\u003eWith MM signal input and 3.5mm AUX input(with priority), can be used as a MM phono preamp and a tube preamp, compatible with many audio devices such as MM record player, phone,TV, MP3 players, CD players, DAC, computers etc. to satisfy different demands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReasonable curcuit layout and concise wiring to ensure HiFi clear sound with low noise, adopting 2PCS 6A2 vacuum tubes(can be replaced by 6K4 \/ 6J1 \/ 6J4 \/ GE5654 \/ 6AK5 \/ 6*1n) \u003cspan data-mce-fragment=\"1\"\u003eto make sound warm, dynamic and sweet, bringing extremely high-quality listening experience.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWith gain adjustment switch(OFF-39dB-42dB-45dB), convenient to match better with different audio signals, the front panel are machined with wire drawing and frosted technology, looks more fashionable and distinctive.\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, aluminum alloy chassis with better shielding performance and gold-plated terminals with lossless transmission, perfectly suitable for MM record players and other audio sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cstrong\u003eParameters\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input: MM phono \/ 3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio output: stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOutput level: 600mV (3mV 1KHz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eSNR:\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e≥98dB\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: RIAA standard\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTHD: 0.1%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(L*W*H): 117*95*30mm \/ 4.61*3.74*1.18 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 310g \/ 0.68lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 520g \/ 1.15lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\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\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e1*T3 PRO Preamp\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e2*6A2 Vacuum Tube\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e1*Power Supply\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eNotice:\u003c\/strong\u003e this is \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eonly a preamp, which needs to be used with amplifie\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ers or active speakers. \u003c\/span\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406529642728,"sku":"DZ075-US","price":59.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406529675496,"sku":"DZ075-UK","price":59.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406529708264,"sku":"DZ075-DE","price":59.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406529741032,"sku":"DZ075-AU","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406529773800,"sku":"DZ075","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/DZ075-newlogo_4.jpg?v=1703569153"},{"product_id":"douk-audio-p2-mini-bluetooth-5-0-vacuum-tube-preamp-hifi-usb-player-stereo-audio-headphone-amp","title":"Douk Audio P2 Mini Bluetooth 5.0 Vacuum Tube Preamp USB Player Stereo Headphone Amplifier","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eWarm Tips\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eFrom 29\/05\/2024, the 6K4 tubes will be upgraded to American 6186 or 6AG5 (will be shipped at random) but the price remains the same.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple audio inputs: with Bluetooth\/RCA\/U-disk\/TF card inputs, can be perfectly compatible with iPod, Phone, MP3, TV, CD players, laptop, desktop computer or other streaming media players etc., satisfy most requirements of common home audio system use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple functions:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003eP2 can be used as a tube preamp, connected between audio source and amplifier or active speaker to greatly improve the sound quality. Default 6K4 tubes, and can be directly replaced by 6J1\/6J4\/GE5654\/6AK5\/6*1n to enjoy HiFi sound of different styles.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv id=\"pastingspan1\"\u003eP2 can be used as a headphone amplifier, convenient to listen to lossless music alone or at night. The RCA and 3.5mm headphone jack can output at the same time to meet more needs.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003eP2 can be used as a digital player with U-disk and TF card inputs, supporting MP3 and other lossless format such as APE, FLAC, WAV, WMA. No need for any driver, plug and play, convenient to enjoy fun even on the road or outdoors.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHiFi clear sound with tone control and reasonable circuit layout: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003eAdopting vacuum tubes design to filter out the digital sounds of common sound sources, making the sound warm and sweet, full and mellow, much softer and more listenable.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003eUsing NE5532 op amp for tone control, treble\/mid\/bass can be adjusted separately, easy to adjust more delicate sounds of different styles. Pluggable op amp socket design, easy to change other op amps to enjoy different sounds.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMini size and exquisite appearance, black aluminum case make it more fashionable and powerful. With power\/input mode indicators to clearly show the working status in real time, and full-function remote control makes the operation much easier, very suitable for home and desktop audio system use.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cstrong\u003eWarm tips\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003eP2 is a tube preamp which needs to work with amplifiers or active speakers, cannot drive passive speakers or used with turntables directly. In RCA input mode, the previous \/ next song function is invalid.\u003c\/li\u003e\n\u003cli\u003eThe USB interface only supports U-disk and USB 2.0 thumbdrive, not support PC-USB. And the RCA and 3.5mm headphone jack can output at the same time.\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\" style=\"text-align: left;\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003eAudio input: Bluetooth\/Stereo RCA\/U-disk\/TF Card\u003c\/li\u003e\n\u003cli\u003eAudio output: Stereo RCA \/ 3.5mm headphone jack\u003c\/li\u003e\n\u003cli\u003eSupported formats of U-disk and TF Card: MP3 \/ WMA \/ APE \/ FLAC \/ WAV\u003c\/li\u003e\n\u003cli\u003eMax storage of U-disk: 32G\u003c\/li\u003e\n\u003cli\u003eMax storage of TF card: 32G\u003c\/li\u003e\n\u003cli\u003eTube model: 6K4*2\u003c\/li\u003e\n\u003cli\u003eFrequency Response: ±3dB (20Hz-20KHz)\u003c\/li\u003e\n\u003cli\u003eTreble\/Mid\/Bass range: ±6dB\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: 0.775V\u003c\/li\u003e\n\u003cli\u003eTHD: 0.05%\u003c\/li\u003e\n\u003cli\u003eSNR: ≥98dB\u003c\/li\u003e\n\u003cli\u003eHeadphone Output Power: 100mW\/32Ω\u003c\/li\u003e\n\u003cli\u003eMatched headphone impedance: 16-64Ω\u003c\/li\u003e\n\u003cli\u003eWorking voltage: DC 12V\u003c\/li\u003e\n\u003cli\u003eDimensions(W*D*H): 115*128*33mm \/ 4.53*5.04*1.30in\u003c\/li\u003e\n\u003cli\u003eNet weight: 420g \/ 0.93lb\u003c\/li\u003e\n\u003cli\u003ePackage weight: 700g \/ 1.54lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e1 x P2 Preamp\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e2 x 6K4 Tube\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e1 x DC12V Power Adaptor\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e1 x Remote Control (without batteries)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e1 x Bluetootn Antenna\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1 x Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406946255080,"sku":"SUC-P2-US","price":73.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406946287848,"sku":"SUC-P2-UK","price":73.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406946320616,"sku":"SUC-P2-DE","price":73.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406946353384,"sku":"SUC-P2-AU","price":73.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406946386152,"sku":"SUC-P2","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/SUC-P2_3.jpg?v=1652165028"},{"product_id":"douk-audio-t4-plus-hifi-5654-tube-phono-preamp-for-turntable-stereo-preamp-headphone-amp-w-vu-meter","title":"Douk Audio T4 PLUS HiFi Vaccum Tube Phono Preamp for Turntable Stereo Preamp Headphone Amp w\/VU Meter","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eUpgraded version [from 2022\/4\/18]: add a VU meter adjustment on the side panel, easily to adjust its sensitivity to match well with different input signals and achieve better visual effects of VU meter.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eT4 PLUS tube preamp meets more HiFi audio needs:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMM \/MC phono input, support multiple input impedance switch (1KΩ\/470Ω\/220Ω\/100Ω\/47Ω\/22Ω\/10Ω), converts phono signal to line level signal, low-noise integrated circuits and high-quality components to ensure clear sound.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.\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\n\u003cspan\u003eUnique and amazing combination in the appearance: integrated T4 PLUS preamp with retro tubes and VU meter into a whole, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system and give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eImported JAN5725 tubes and vintage warm sound: default comes with JAN5725 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003e3.5mm headphone output and perfect circuit design: T4 PLUS also with built-in classic headphone amp circuit (2*NE5532), easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPS5430+7205MOS for power management, TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost. \u003c\/span\u003e\u003cbr\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\u003eMini size and excellent performance: all designs full of details, such as solid aluminum alloy knob, gold-plated terminals, grey integrated moulding aluminum alloy shell decorates with built-in VU meter, looks vintage and elegant. Not only a MM\/MC phono preamp, but also a stereo audio preamp and headphone amplifier, especially designed for the audiophiles who pursue HiFi sound.\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\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eWarm tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e1. 3.5mm AUX input with priority, please make sure the AUX cable has been pulled out if want to use MM\/MC phono input.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2. Stereo RCA and 3.5mm headphone jack can output at the same time, and the knob also controls the volume of two outputs simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\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: T4 PLUS\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: MM phono \/ turntable \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: stereo L\/R RCA \/ 3.5mm headphone jack\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax output power of headphone jack: 150mW@32Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMatched headphone impedance: 32-300Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAUX IN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAUX input level: 0.775V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRCA max output level: 1.5V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFrequency response: 20Hz-20KHz (±0.3dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS\/N ratio: ≥110dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTHD: 0.2%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePhono IN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePhono input level: 0.005V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRCA max output level: 300mV (MM) \/ 3V (MC)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFrequency response: conforms to RIAA characteristics (±3dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS\/N ratio: 71dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTHD: 0.8%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC 12V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions(W*D*H): 50*137*146mm \/ 1.97*5.39*5.75in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(W*D*H): 300*230*65mm \/ 11.81*9.06*2.56in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 640g \/ 1.41lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1000g \/ 2.20lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cstrong\u003ePacking List\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*T4 PLUS Preamp\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e2*JAN5725 Vacuum Tube\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*3.5mm to RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406622933224,"sku":"SUC-T4-PLUS-US","price":109.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406622965992,"sku":"SUC-T4-PLUS-UK","price":109.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406622998760,"sku":"SUC-T4-PLUS-DE","price":109.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406623031528,"sku":"SUC-T4-PLUS-AU","price":109.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406623064296,"sku":"SUC-T4-PLUS","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/2_032e22cc-29bc-49db-9e6d-8849d2b5e133.jpg?v=1744356561"},{"product_id":"douk-audio-t4-pro-mini-5654-vacuum-tube-phono-preamp-home-stereo-audio-pre-amplifier-headphone-amp","title":"Douk Audio T4 PRO Mini GE5654 Vacuum Tube Phono Preamp Home Stereo Audio Pre-Amplifier Headphone Amp","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eIntroduction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eDouk Audio T4 PRO can be used as a MM phono preamp, a tube audio preamp and a headphone amplifier, powerful function in mini size, specially designed for various requirements of home\/desktop audio system.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eT4 PRO tube preamp meets more HiFi needs: \u003c\/span\u003eMM phono input, converts phono signal to line level signal, with low-nois integrated circuits and high-quality components to ensure clear and clean sound.3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC,MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eImported JAN5654 tubes and vintage warm sound: default comes with JAN5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3.5mm headphone output and perfect circuit design: T4PRO also with built-in classic headphone amp circuit(2*NE5532), easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPS5430 for power management,  TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMini size and excellent performance: all designs full of details, solid aluminum knob, potentiometer for smooth multi-level gain adjustment, grey integrated moulding aluminum alloy shell decorates with special red tube cover and knob, looks vintage and elegant. Compact T4 PRO will give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWarm tips\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3.5mm AUX input with priority, please make sure the AUX cable has been pulled out if want to use MM phono input.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eStereo RCA and 3.5mm headphone jack can output at the same time, and the knob also controls the volume of two outputs simultaneously.\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\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eParameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eBrand: Douk Audio\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\"\u003eModel: T4 PRO\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: MM phono\/turntable \/ 3.5mm AUX\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: stereo L\/R RCA \/ 3.5mm headphone jack\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\"\u003eOutput level: 1.5V (input 0.775V)\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\"\u003eMax output power of headphone jack: 150mW@32Ω\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\"\u003eMatched headphone impedance: 32-300Ω\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\"\u003eInput sensitivity: 0.775V\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(±3dB) (AUX IN)  \/ Standard RIAA (phono IN)\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\"\u003eS\/N ratio: ≥105dB\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: 0.2%\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): 95*117*30mm \/ 3.74*4.61*1.18in (exclude tubes)\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\"\u003ePackage dimensions(W*D*H): 255*215*65mm \/ 10.04*8.46*2.56in\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: 330g \/ 0.73lb\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: 600g \/ 1.32lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePacking List\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*T4 PRO 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\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e2*JAN5654 Vacuum Tube\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\"\u003e1*DC 12V Power Adapter\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\"\u003e1*3.5mm to RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eComparision between Douk Audio T4 PRO and Other Similar Preamp\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"float: left;\" cellspacing=\"0\" border=\"1\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBrand\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDouk Audio\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOthers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3.5mm headphone out\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e√ (32-300Ω)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e×\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVacuum Tubes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*GE JAN5654\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*6J2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eControl knob\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSolid aluminium (ten times expensive)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePlastic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGain adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSmooth potentiometer (multi-level)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOnly 4 levels (0, 39, 42, 45)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eS\/N ratio\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e≥105dB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e≥\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e98\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edB\u003c\/span\u003e\u003c\/p\u003e\n\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;\" data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406627913960,"sku":"SUC-T4-PRO-US","price":64.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406627946728,"sku":"SUC-T4-PRO-UK","price":64.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406627979496,"sku":"SUC-T4-PRO-DE","price":64.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406628012264,"sku":"SUC-T4-PRO-AU","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406628045032,"sku":"SUC-T4-PRO","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/SUC-T4PRO_5.jpg?v=1650961781"},{"product_id":"douk-audio-l1-mini-stereo-line-level-booster-amplifier-audio-preamp-20db-gain-volume-control","title":"Douk Audio L1 Mini Stereo Line Level Booster Amplifier Audio Preamp 20dB Gain w\/Volume Control","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eIntroduction\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e\n\u003cbr\u003eDouk Audio L1 is a stereo amplifier with built-in voltage boost and amplification circuits, designed to boost the output of virtually any line level audio source (such as TV, video games, MP3 players, ipod, phone, tablet etc.) to max 20dB. L1 features its wide gain range, wide frequency response, excellent S\/R and HiFi sound, to bump the output level of the audio devices which are with an inherently low level output so as to match other sources, or to allow the use of a longer cable run than normal between components.\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMutiple input\/output interfaces: with 3.5mm AUX\/stereo RCA\/5-DIN inputs and stereo RCA\/5-DIN outputs, can be compatible with most low-volume audio sources such as ipod, ipad, phone, TV, MP3 player,  potable CD player, computer, video game etc., and boost their output to the level needed to drive amplifier or speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWith built-in amplification and voltage boost circuit: adjustable gain to match better with different audio sources, support DC 5-24V wide input voltage that can share the power supply of amplifiers, while L1 can always work at a high voltage of 26V to provide ±12.5V high output amplitude and max 20dB high gain.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eUnique design and HiFi clear sound: double-side PCB design, NE5532P op amp with pluggable socket design, convenient to change other op amps to enjoy different sound and bring much DIY fun for audiophiles. High-qaulity sealed potentiometer, with wide frequency bandwidth and excellent dynamic response, the sound is smooth and natural, warm and delicate with ultra-low distortion.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMini size with exquisite appearance, compact and all-metal design for durability and shielding the electronics from electromagnetic interference with noise rejection. Perfect design in size and function,  suitable for many scenarios to increase the output level, such as home stereo system, mixer or speaker setup, karaoke, audio recording, party, live stage event etc.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cstrong\u003eWarm tips\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e3.5mm AUX input with priority, please make sure AUX cable has been disconnected if you want 5-DIN or stereo RCA input.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e5-DIN and stereo RCA output can work at the same time.\u003c\/li\u003e\n\u003cli\u003eEquipped with USB to DC cable, NOT include power adapter, can use phone charger\/power bank\/computer to power it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003eAudio input: 3.5mm AUX \/ Stereo RCA \/ 5-DIN\u003c\/li\u003e\n\u003cli\u003eAudio output: Stereo RCA \/ 5-DIN\u003c\/li\u003e\n\u003cli\u003eGain: 20dB (Adjustable)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz-20KHz ( ± 0.5dB)\u003c\/li\u003e\n\u003cli\u003eTHD: 0.06% Max\u003c\/li\u003e\n\u003cli\u003eS\/N ratio: \u0026gt;80dB\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: 150mW\/50KHz at 1KHz\u003c\/li\u003e\n\u003cli\u003eMax output amplitude: ±12.5V\u003c\/li\u003e\n\u003cli\u003eInput voltage: DC 5-24V\u003c\/li\u003e\n\u003cli\u003eWorking voltage of amplification part: DC 26V\u003c\/li\u003e\n\u003cli\u003eDimensions(W*D*H): 87*63*48mm \/ 3.43*2.48*1.89in\u003c\/li\u003e\n\u003cli\u003ePackage dimensions(W*D*H): 150*90*110mm \/ 5.91*3.54*4.33in\u003c\/li\u003e\n\u003cli\u003eNet weight: 155g \/ 0.34lb\u003c\/li\u003e\n\u003cli\u003ePackage weight: 400g \/ 0.88lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003e1*L1 Stereo Line Level Booster\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1*USB to DC Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1*3.5mm to RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1*2:2 RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eWho Needs Douk Audio L1 Stereo Line Level Booster?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWant to correct the sonic mismatch issues that often cause the output volume of portable players\/MP3\/computer lower than other home audio devices, resulting in distorted sound performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eWant to enhance the output level of karaoke players or CD\/DVD player to transform your stereo music to thrilled sound for party or outdoor events, provide low-noise and high musical accuracy for listening and recording.\u003c\/li\u003e\n\u003cli\u003eWant to provide an external way of volume control for any audio source device or stereo amplifier that has no output level or volume adjustment of its own.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406947336424,"sku":"XZ-L1-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406947369192,"sku":"XZ-L1-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406947401960,"sku":"XZ-L1-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406947434728,"sku":"XZ-L1-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406947467496,"sku":"XZ-L1","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XZ-L1_1.jpg?v=1650965109"},{"product_id":"douk-audio-dac-t1-pro-hifi-tube-stereo-preamp-usb-dac-bluetooth-receiver-s-pdif-d-a-audio-converter","title":"Douk Audio DAC-T1 PRO HiFi Tube Stereo Preamp USB DAC Bluetooth Receiver S\/PDIF D\/A Audio Converter","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAmazing combination in appearance and functions: integrated DAC-T1-PRO DAC with retro tubes and modern OLED display into a whole, keep both strong vintage feelings and convenient use. Even in limited space, warm filament dynamically decorates the audio system and give you a wonderful acoustic enjoyment with large dynamic and sweet sound.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eWith multiple audio inputs and outputs: Bluetooth \/ PC-USB \/ coaxial \/ optical \/ RCA inputs, compatible with most audio sources such as phone, tablet, computer, digital player etc. \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eWith stereo RCA and 3.5mm headphone jack outputs, can connect different amplifier \/ active speaker \/ headphones, HiFi music can be easily enjoyed.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eImported JAN5654 tubes and vintage warm sound: comes with JAN5654 tubes, greatly improves everything associated with your music, sounds soft and delicate, dynamic and pleasing. Easy to compare the difference between digital sound and tube sound via bypass function. Pluggable tube socket design, upgrade to 6*1N, 6AK5, EF95 etc. to enjoy tube sound of different styles.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eComplete design and perfect details: support treble and bass control, easy adjust one's own preferable sound styles. Besides large OLED display to indicate working status, also with full function remote control to achieve all settings. Powerful function with attractive appearance, very suitable for the audiophiles who pursue HiFi sound in limited space.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eHigh-end materials and unique structure are adopted to ensure better performance:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eQCC5125 Bluetooth chip, supports ACC\/SBC\/APTX\/APTX-HD\/LDAC, achieves further distance and lossless signal transmission without delay.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eESS9028Q2M independent DAC chip, OPA1656 op amp, NJW1194 digital tone control chip, with larger dynamic range, lower distortion and higher resolution.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e9123 USB chip with special driver, support 24Bit\/192Khz transmission to improve the sound quality.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eClassic headphone amp architecture (2*NE5532),  provide larger output power enough to drive 300Ω headphones.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eChip architecture: QCC5125 (Bluetooth chip) + 9123 (USB chip) +ESS9028Q2M (DAC chip) + NE5532 (amp)\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: Bluetooth \/ PC-USB \/  Coaxial \/ Optical \/ Stereo RCA\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: Stereo RCA \/ 3.5mm headphone jack\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\"\u003eBluetooth  version: 5.0 (support APTX  \/APTX-HD \/ LDAC)\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\"\u003eSampling rate supported:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePC-USB: 24bit \/ 192KHz\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCoaxial \/ Optical: 24bit \/ 192KHz\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\"\u003ePC-USB operation system supported: W7\/W8\/W10\/MAC\/Linux\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 (±0.5dB)\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: 0.08%\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\"\u003eS\/N ratio: ≥110dB \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\"\u003eTreble \/ Bass control: ± 6db\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eMatched headphone impedance: 16-300Ω\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\"\u003eHeadphone output power: 150mW\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\"\u003eOutput level: 2.4Vrms\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: DC 12V\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): 185*128*41mm \/ 7.28*5.04*1.61in\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: 622g \/ 1.37lb\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: 1.1kg \/ 2.43lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1. For safer and faster delivery, the remote control may not include batteries (2*AAA), please prepare it by yourself.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. 3.5mm headphone jack output is prior, stereo RCA output will auto disconnect when headphone is inserted.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3. PC-USB (systems below win10) input need special driver to get 24Bit\/192KHz transmission, please contact us for it when you receive DAC-T1 PRO. It also supports OTG functions, but Android system needs OTG cable and IOS system needs camera kit, please prepare by yourself. \u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*DAC-T1 PRO DAC\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e2*5654 Vacuum Tube\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*USB Cable\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*Optical Cable\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*Bluetooth Antenna\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*Remote Control (without batteries)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406944387304,"sku":"SUC-DAC-T1-PRO-US","price":169.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406944420072,"sku":"SUC-DAC-T1-PRO-UK","price":169.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406944452840,"sku":"SUC-DAC-T1-PRO-DE","price":169.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406944485608,"sku":"SUC-DAC-T1-PRO-AU","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406944518376,"sku":"SUC-DAC-T1-PRO","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/1_b67170da-2230-4e46-899b-42e24b3c5900.jpg?v=1654161296"},{"product_id":"douk-audio-vu22-dual-analog-vu-meter-display-db-panel-mic-line-sound-level-meter","title":"Douk Audio VU22 Dual Analog VU Meter Display DB Panel MIC+LINE Sound Level Meter","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cb\u003eWarm Tips\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003eCompatible with most audio devices, but cannot guarantee 100%. If there exists common ground noise, please add an isolation module between VU22 and your device.\u003c\/div\u003e\n\u003cdiv align=\"center\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003eFeatures\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWired and wireless audio inputs: with stereo RCA\/3.5mm AUX audio input and microphone pick up, work well with most audio devices such as phone, computer, CD players, or speakers etc., very suitable for home\/office\/studio to dynamically decorate your auditory feast.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent sound and free settings: with 100K high-impedance input circuit, ensuring clean sound without any audio rendering when using line inputs. The color and light level of backlight also can be adjusted freely, perfectly match with different styles of audio device and environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eAdvanced AGC algorithm and better display: \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAGC ensures ideal visual effects even the input signal is in a small to large range, avoid that no display when input low signal and display in full screen when input high. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWith gain adjustment even can set the swing range of pointer, easily to control most input signals and achieve better beating effects. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAttractive looking and powerful design: all metal case with CNC machined panel, solid stepless adjustment knob, all interfaces are gold-plated to ensure the tight connection, ensures the smooth transmission of the original audio signal and minimizes the loss of the signal during transmission.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1. Without power adapter, and VU22 needs to be powered by separate USB power supply, don't use the USB port of computers or share the power supply with audio source, otherwise common ground noise will be caused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. Stereo RCA and 3.5mm AUX input are in parallel, two inputs and outputs will work simultaneously, so please don't connect RCA and 3.5mm AUX input at the same time avoid mixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: stereo RCA \/ 3.5mm AUX \/ Microphone\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: stereo RCA \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput impedance: 100K\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput voltage: 0.1-2Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 5Hz-20KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBrightness color: switchable\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBrightness level: adjustable\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGain adjustment: support \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC 5V (≥1A)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePower interface: USB (type-C)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSetup save: support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eVU meter diameter: 45mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions(W*D*H): 177*115*59mm \/ 6.97*4.53*2.32in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 661g \/ 1.46lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 900g \/ 1.98lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e1*VU22 VU Meter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e1*USB Cable (No power adapter)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e4*Rubber Feet\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","brand":"doukaudio","offers":[{"title":"Black \/ US","offer_id":43368472838376,"sku":"XX-VU22-H-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ UK","offer_id":47406942159080,"sku":"XX-VU22-H-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ EU","offer_id":47406942191848,"sku":"XX-VU22-H-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ AU","offer_id":47406942224616,"sku":"XX-VU22-H-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Other","offer_id":47406942257384,"sku":"XX-VU22-H","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ US","offer_id":43368472871144,"sku":"XX-VU22-S-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ UK","offer_id":47406942290152,"sku":"XX-VU22-S-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ EU","offer_id":47406942322920,"sku":"XX-VU22-S-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ AU","offer_id":47406942355688,"sku":"XX-VU22-S-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Other","offer_id":47406942388456,"sku":"XX-VU22-S","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XX-VU22.jpg?v=1660878443"},{"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":"douk-audio-p6-mini-hifi-vacuum-tube-preamp-bluetooth-stereo-audio-pre-amplifier-tone-control","title":"Douk Audio P6 MINI HiFi Vacuum Tube Preamp Bluetooth Stereo Audio Pre-amplifier Tone Control","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMultiple audio inputs for different requirements: support Bluetooth 5.0 \/  USB(U-disk) \/ Stereo RCA connections, perfectly match with phonoes, TV, tablet, projectors, computers etc., support U-disk to play APE\/ FLAC \/WAV\/ WMA lossless formats besides MP3; greatly improve the sound quality for your amplifier or active speaker.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHIFI warm sound and replaceable tube design: default 6A2 tube to filter out the digital feelings and soften the sound to be warmer and sweeter, full and mellow with large dynamic; pluggable tube design, can be upgraded to 6*1N \/ JAN5725W \/ 6AK5 \/ EF95 for tube shaping and rolling and enjoy different sound styles.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSeparate tone control and input switch: besides main volume control knob, also with independent treble and bass knob to present amazing music with rousing highs and deep lows; with input selector and LED indicator, easy to switch input channel and show its working state, no need to plug cables again and again.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCompact size and attractive appearance: CNC machined black aluminum alloy chassis, sturdy and durable; decorated with warm orange light from vintage tube looks great, provide different acoustic enjoyment even in limited space, very suitable for the audiophiles who pursue wonderful auditory and visual enjoyment.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarm Tips\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eU-disk input is prior to Bluetooth, Bluetooth will auto disconnect when U-disk is inserted.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input: Bluetooth 5.0\/USB(U-disk)\/Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio output: Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMaximum capacity U-disk supported: 64G\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHighest sampling rate U-disk supported: 24Bit\/192K (FAT32)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFormats U-disk supported: MP3\/APE\/ FLAC \/WAV\/ WMA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTreble \/ bass range: ±6dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: 20Hz-20kHz(±1dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDistortion: ≤0.03%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRCA input sensitivity: 0dBFS\/1V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSNR: ≥100dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC 12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 97*118*33mm\/3.82*4.65*1.30in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Dimensions(W*D*H): 250*215*65mm\/9.84*8.46*2.56in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet Weight: 337g\/0.74lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Weight: 700g\/1.54lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*P6-MINI Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*6A2 Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*DC12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Bluetooth Antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406586429672,"sku":"SUC-P6-MINI-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406586462440,"sku":"SUC-P6-MINI-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406586495208,"sku":"SUC-P6-MINI-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406586527976,"sku":"SUC-P6-MINI-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406586560744,"sku":"SUC-P6-MINI","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/SUC-P6-MINI_33f78c38-455e-4ce4-ac75-3396e7a97845.jpg?v=1670481533"},{"product_id":"douk-audio-c100-mini-digital-audio-player-hi-res-music-streamer-preamp-384k-dsd","title":"Douk Audio C100 PRO Mini Digital Audio player Hi-res Music Streamer Preamp 384K DSD","description":"\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHigh-quality chip and creative design: digital audio player, adopts ESS9038 decoding chip, achieves 0.0005% ultra-low distortion and 119dB high SNR; CSR8675 Bluetooth chip supporting APTX-HD\/LDAC(24Bit\/96KHz) protocol, achieving high-definition lossless transmission, easy to enjoy the best sound that far exceeds traditional CD players. With retro VU meter, the pointer dancing in the warm light, dynamically decorates the audio system space. \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWireless\u0026amp;Wired inputs: With Bluetooth 5.0\/Optical\/U-disk\/hard-disk\/SD card inputs, compatible with audio devices such as mobile phones, MP3 players, computers, tablets, etc; Bluetooth input supports displaying lyrics in the screen synchronously; U-disk\/hard drive and SD card input, plug and play, easy to read various digital signals.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMultiple audio outputs and ultra-high sound quality: with S\/PDIF coaxial and optical digital outputs (up to 24bit\/192Khz\/dop64), RCA and balanced XLR outputs. Support 32Bit\/768kHz high bit rate WAV digital audio stream, ISO \/  DFF \/ DSF (up to DSD512) and DTS various music formats, enjoy HIFI music even without wired audio source.\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\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8 languages and unique display mode: support \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eChinese \/ English \/ French \/ German \/ Japanese \/ Vietnamese \/ Spanish \/ Russian, more convenient to operate; VU meter display supports displaying internal signals or external sounds (with microphone pickup), perfectly matching different usage scenarios.\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\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMini size and user-friendly design: Unlike traditional large body audio players, it is compact and easy to carry and use; with 2.4-inch OLED screen, show all working status clearly and detailedly; design touch button, equipped with remote control, making operation more intuitive and convenient.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\" 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;\" data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1. There are screws on the bottom of C100\/C100 PRO, designed to adjust the sensitivity of VU meter to realize better display effects.\u003cbr data-mce-fragment=\"1\"\u003e2. For safer and faster shipping, 2*AAA batteries inside the remote control are not included, please prepare by yourself.\u003cbr data-mce-fragment=\"1\"\u003e3. Support DTS format, but only can output two channels (front left and front right).\u003cbr data-mce-fragment=\"1\"\u003e4. All outputs will work at the same time and the volume button controls the volume of all outputs synchronously.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMusic files supported and max. Sampling rate support:\u003c\/span\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003ctable data-mce-fragment=\"1\" border=\"1\" style=\"border-collapse: collapse; width: 25.4427%; height: 211px;\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eModel \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 21.1309%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eC100 \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 13.0536%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eC100 PRO \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDFF \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 21.1309%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDSD256 \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 13.0536%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDSD512 \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eISO \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 21.1309%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDSD256 \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 13.0536%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDSD512 \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDSF \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 21.1309%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDSD256 \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 13.0536%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDSD512 \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWAV \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 21.1309%;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e384KHz\/32Bit \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 13.0536%;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e768KHz\/32Bit \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFLAC \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 34.1845%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-size: 14pt;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times;\"\u003e192KHz\/24Bit\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times;\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 19px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAPE \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 19px; width: 34.1845%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e48KHz\/16Bit \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMP3 \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 34.1845%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e48KHz\/16Bit \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 10px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 8.69024%; height: 10px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDTS \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 10px; width: 34.1845%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput front L\/R channel \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;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003ctable data-mce-fragment=\"1\" border=\"1\" style=\"border-collapse: collapse; width: 72.3403%; height: 718px;\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 19px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eC100\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eC100 PRO\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSD card \/ U-disk \/ Hard-disk \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSD card \/ U-disk \/ Hard-disk \/ Bluetooth 5.0 \/ Optical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCoaxial \/ Optical \/ Stereo RCA \/ AUX \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCoaxial \/ Optical \/ Stereo RCA \/ Balance XLR\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOptical input\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\/\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003emax. 192KHz \/ 24Bit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFirmware upgrade \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"width: 72.8153%; height: 26px; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003esupport U-disk update \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 19px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eUSB interface \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 19px; width: 72.8153%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003esupport USB 3.0 and below \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 19px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSD interface \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 19px; width: 72.8153%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003esupport CLASS10 and above \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCUE playback \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003esupport WAV \/ APE \/ FLAC \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSPDIF output \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003emax. 192KHz 24Bit \/ DOP64 \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHard-disk format supported \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFAT32 \/ exFAT \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax capacity of hard-disk \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2TB \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax capacity of U-disk\/SD card \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e512G \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFile system \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMulti partition not supported\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput level \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2Vrms(Analog)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2.2Vrms(Max.)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput sensitivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 26px; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e \/\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e0dBFS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 26px; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e \/\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 26px;\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRCA 20Hz-20KHz(±0.3dB）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBAL 20Hz-20KHz(±0.2dB)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBackground noise\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 26px; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\/\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 26px;\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003eRCA output -135dBV\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003eBAL output -138dBV\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 26px; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\/\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 26px;\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRCA≥118dB\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBAL≥119dB\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 19px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDistortion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 32.94%; height: 19px; text-align: center;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\/\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 39.8753%; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e0.0005%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"text-align: center; width: 72.8153%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDC 12V\/ ≥1.5A \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions(W*D*H) \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"height: 26px; text-align: center; width: 32.94%;\"\u003e\n\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e167*105*55mm \/ 6.57*4.13*2.17in\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"text-align: center; width: 39.8753%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e168*106*53mm \/ 6.61*4.17*2.09in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage dimensions(W*D*H) \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\n\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e280*210*80mm \/ 11.02*8.27*3.15in\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\n\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e686g \/ 1.52lb\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 26px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"width: 24.2543%; height: 26px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" colspan=\"2\" style=\"height: 26px; width: 72.8153%; text-align: center;\"\u003e\n\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e900g \/ 1.98lb\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 × C100\/C100 PRO Digital Player\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 × DC 12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 × Optical Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 × Remote Control\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":45668571054312,"sku":"SUC-C100-PRO-US","price":239.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406914797800,"sku":"SUC-C100-PRO-UK","price":239.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406914830568,"sku":"SUC-C100-PRO-DE","price":239.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406914863336,"sku":"SUC-C100-PRO-AU","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406914896104,"sku":"SUC-C100-PRO","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-C100PRO_4.jpg?v=1711586919"},{"product_id":"upgraded-douk-audio-t8-7-band-eq-tube-preamp-equalizer-xlr-pre-amplifier-for-home-speaker","title":"[Upgraded] Douk Audio T8PRO 7-band EQ Tube Preamp Equalizer XLR Pre-Amplifier with Tone Control for Home Speaker","description":"\u003c!-- x-tinymce\/html --\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\u003cspan\u003eUpgraded 7-band EQ preamp: separate and rich frequency band control (50Hz \/ 125Hz \/ 315Hz \/ 750Hz \/ 2KHz \/ 6KHz \/ 16KHz), T8 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\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eReal balanced XLR preamp: support XLR and RCA inputs and outputs, T8 can reproduce high-quality audio for amplifier or active speaker with excellent separation, resolution, sound field, clean background. Also with a balance control to compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eHiFi warm \u0026amp; sweet tube sound: adopts classic pluggable Soviet Union 6H1N-BN tube to improve everything detail associated with your music, sounds warm and delicate, full and mellow, dynamic and melodious. Pluggable socket design for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced design and attractive appearance: adopts electrolytic iron plate with good shielding performance, and the performance is precisely balanced; black aluminum alloy chassis with vintage warm tube lights, looks cool, exquisite and durable, very suitable for the audiophiles who pursue HiFi sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e1. Two outputs (RCA \/ XLR ) can work at the same time.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2. When the scale line on frequency knobs points to the middle means this frequency band is neither weakened nor strengthened. When rotating it to its middle position there will be a feeling of pause.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3. Default 6H1N-BN tubes, can be changed to the following models: 6SN7GT \/ 6N1 \/ 6AQ8, and the 6SN7GT requires a 6SN7 to 6N1 socket adapter.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: Douk Audio T8PRO\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: single-ended RCA \/ balanced XLR\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: single-ended RCA \/ balanced XLR\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20Hz～20KHz(±1dB)    \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency band: 50Hz \/ 125Hz \/ 315Hz \/ 750Hz \/ 2KHz \/ 6KHz \/ 16KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRCA input sensitivity: 0.775Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRCA output level: 1.2Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBAL input sensitivity: 1.5Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBAL output level: 2.4Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTHD: 0.01%    \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSNR: ≥98dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC12V (≥2A)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions(W*D*H): 186*128*38mm \/ 7.32*5.04*1.50in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(W*D*H): 340*240*70mm \/ 13.39*9.45*2.86in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 685g \/ 1.51lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.1kg \/ 2.43lb\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\n\u003cspan\u003e1*T8PRO Preamp\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e2*6H1N-BN Tube\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"Black \/ US","offer_id":44737424949480,"sku":"SUC-T8-PRO-H-US","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ UK","offer_id":47406664253672,"sku":"SUC-T8-PRO-H-UK","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ EU","offer_id":47406664286440,"sku":"SUC-T8-PRO-H-DE","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ AU","offer_id":47406664319208,"sku":"SUC-T8-PRO-H-AU","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ Other","offer_id":47406664351976,"sku":"SUC-T8-PRO-H","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ US","offer_id":44737424982248,"sku":"SUC-T8-PRO-S-US","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Silver \/ UK","offer_id":47406664384744,"sku":"SUC-T8-PRO-S-UK","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Silver \/ EU","offer_id":47406664417512,"sku":"SUC-T8-PRO-S-DE","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Silver \/ AU","offer_id":47406664450280,"sku":"SUC-T8-PRO-S-AU","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Other","offer_id":47406664483048,"sku":"SUC-T8-PRO-S","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-T8PRO.jpg?v=1692933627"},{"product_id":"douk-audio-t13-phono-preamp-for-mm-turntables-stereo-desktop-headphone-amplifier-w-vu-meter","title":"Douk Audio T13 Phono Preamp for MM Turntables Stereo Desktop Headphone Amplifier w\/VU Meter","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eWarm Tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e1. Without DC 5V power adapter, please prepare it by yourself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e2. Headphone output with priority, please make sure the headphone has been disconnected if want RCA output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e3. VU meter displays the level of input source, and adjusting the volume of T13 will not change the VU swing range.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eT13 is a preamp with Stereo RCA and Phono(MM) inputs, compatible with most audio devices such as turntables, phones, computers, CD players, etc. to satisfy different demands. Stereo RCA output greatly improves the sound quality for amplifiers or active speakers, adds a 3.5mm headphone jack to easily drive all 16-300Ω headphones.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eCustomized full-color VU meters, the color and brightness of backlight can be adjusted steplessly and freely; with built-in professional VU meter driver chip makes the pointer dancing more accurately, dynamically decorates the audio system and brings different enjoyment even in limited space.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eBetter display and clean sound: AGC algorithm achieves ideal visual effects and avoids no display when input low signal and displays in full screen when input high; adds built-in 100K high-impedance input and power isolation circuits, no common ground noise even sharing the power with audio players, ensure the purity of sound source.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eExquisite appearance and easy use: all aluminum CNC machined panel and gold-plated RCA terminals with longer service life, and durable adjustment knobs; powered by USB 5V, can be powered by power bank, phone charger, computer etc.,very suitable for home\/office desktop audio system use to get better listening pleasure.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Stereo RCA \/ Phono MM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: Stereo RCA \/ 3.5mm Headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput level: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 30px; text-align: left;\"\u003e\u003cspan\u003eRCA: 0.775V RMS\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px; text-align: left;\"\u003e\u003cspan\u003ePhono: 0.005V RMS\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 30px; text-align: left;\"\u003e\n\u003cspan\u003eRCA: 20Hz-20KHz (±0.5dB) \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePhono: Ref to RIAA ±2dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eOutput level: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 30px; text-align: left;\"\u003e\n\u003cspan\u003eRCA: 1.5V RMS\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePhono: 0.6V RMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eS\/N ratio: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRCA: ≥106dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePhono: ≥80dB\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeadphone output power:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 30px; text-align: left;\"\u003e\n\u003cspan\u003e 250mW @32Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e100mW @64Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e60mW @128Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eHeadphone impedance range: 16-300Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD: ≤0.1%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVU meter color: multi-color for choice\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBacklight level adjustable: Support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSave set-up: Support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorking voltage: DC 5V(≥0.6A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions(W*D*): 178*118*55mm \/ 7*4.65*2.17in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(W*D*H): 235*180*90mm \/ 9.25*7.09*3.54in\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 730g\/1.61lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1000g\/2.20lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1×T13 Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1×USB Cable (Type-C)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1×Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406973583592,"sku":"XX-T13-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406973616360,"sku":"XX-T13-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406973649128,"sku":"XX-T13-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406973681896,"sku":"XX-T13-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406973714664,"sku":"XX-T13","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-T13_4.jpg?v=1685936771"},{"product_id":"douk-audio-t9-hifi-magic-6e2-vacuum-tube-stereo-preamp-mm-mc-phono-stage-for-turntable-amp","title":"Douk Audio T9 6E2 Vacuum Tube Preamp MM\/MC Phono","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWarm Tips\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1. The bias and gain of two 6E2 tubes are set well before shipping, please pay attention to the R\/L channel markings on the tubes, don't insert them wrongly during installation.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2. 3.5mm headphone jack with priority, please make sure the headphone has been disconnected if you want RCA output.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e3. Pluggable tube socket design, 6A2 is convenient to be replaced by 6K4, EF93, 6BA6, W727 etc. to enjoy tube sound of different styles.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4. T9 is a preamp not a power amplifier, needed to work with amplifiers or active speakers.\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;\"\u003eVintage vacuum tubes to provide double enjoyments: add magic eye 6E2 tubes to show the signal level dynamically, the color is pure with high brightness, also with switchable cold green and warm orange backlights, wonderful visual feast can be attained; default 6A2 tubes to improves everything associated with music, sounds warm and natural, full and mellow, amazing auditory carnival for your ears.\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;\"\u003eT9 tube preamp with Phono and RCA inputs:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePhono input, support both MM \/MC cartridges with one button to switch, convert phono signal to line level signal, low-noise integrated circuits and high-quality components to ensure clear sound.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eStereo L\/R RCA input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifiers or active speakers and greatly improve their sound quality.\u003c\/span\u003e\n\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;\"\u003e3.5mm headphone output and tone control: besides stereo RCA output also with independent 3.5 mm headphone amp circuit, easily to drive all 16-300Ω headphones. More delicate and smooth sound with rousing highs and deep lows can be enjoyed by adjusting the treble \/ bass knob, rejuvenating your audio system.\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;\"\u003eAttractive looking and powerful design: all metal case and CNC aluminum panel with good shielding performance to avoid external interference. Solid and durable knurled knob, all I\/O interfaces are gold-plated to ensure the tight and smooth transmission of the original audio signal to minimize the loss of the signal.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHow to Adjust the Bias and Gain of the 6E2 Tubes?\u003cbr\u003e1. Power on T9 and do not input any source signal;\u003cbr\u003e2. Adjust the BIAS to display the green light of the 6E2 tube at the bottom;\u003cbr\u003e3. Then input the audio signal, and adjust the GAIN to display the 6E2 in the appropriate position and balance left and right.\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\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: Stereo RCA \/ Phono MM(MC)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: Stereo RCA \/ 3.5mm Headphone Jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHeadphone impedance range: 16-300Ω\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;\"\u003eHeadphone output power:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e250mW@32Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e100mW@64Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e60mW@128Ω\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRCA IN: \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput level: 0.775V RMS\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput level: 1.5V RMS\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput impedance: 100K ohm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥106dB \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 20Hz-20KHz (±0.5dB) \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePHONO IN:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput level: 0.005V RMS (MM) \/ 0.0005V RMS (MC)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput level: 0.6V RMS\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: times new roman, times;\"\u003e\u003cspan style=\"font-size: 18.6667px;\"\u003eInput impedance: \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e47K ohm \u003c\/span\u003e(MM) \/ 330ohm (MC)\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: times new roman, times;\"\u003e\u003cspan style=\"font-size: 18.6667px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥80dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: times new roman, times;\"\u003e\u003cspan style=\"font-size: 18.6667px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: Ref to RIAA ±2dB \u003c\/span\u003e\u003c\/span\u003e\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;\"\u003eTHD: ≤0.1%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTube: 2×6E2; 2×6A2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTreble\u0026amp;Bass: ±10dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBacklight Color adjustable: GREEN\/ORANGE\/OFF\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 12V(≥1A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions (W*D*H): 154*87*47mm \/ 6.06*3.43*1.85in\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): 210*190*100mm \/ 8.27*7.48*3.94in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 600g\/1.32lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 1.0kg\/2.20lb\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\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;\"\u003ePacking List\u003c\/span\u003e\n\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*T9 Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2*6E2 Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2*6A2 Tube\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*DC12V Power Supply\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*Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406688403688,"sku":"XX-T9-US","price":134.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406688436456,"sku":"XX-T9-UK","price":134.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406688469224,"sku":"XX-T9-DE","price":134.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406688501992,"sku":"XX-T9-AU","price":134.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406688534760,"sku":"XX-T9","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-T9_1.jpg?v=1781684472"},{"product_id":"douk-audio-eq5-tone-mini-5-band-eq-equalizer-with-bluetooth-receiver-stereo-audio-preamp-w-vu-meter","title":"Douk Audio EQ5-TONE Mini 5-Band EQ Equalizer with Bluetooth Receiver Stereo Audio Preamp w\/VU Meter","description":"\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWarm Tips\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1.Without a power adapter, EQ5-TONE needs to be powered by separate USB power supply. Don't use the USB port of computers or share the power supply with audio source, otherwise common ground noise will be caused.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2.Stereo RCA and 3.5mm AUX input are in parallel, two inputs and outputs will work simultaneously, So to avoid signal mixing, please don't connect RCA and 3.5mm AUX input at the same time.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e3.EQ5-TONE can input and output audio signal without power supply in bypass mode. However, if the signal hasn’t been preamplified, the VU meters will not function.\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\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e5-band EQ equalizer and preamp: separate and rich frequency band controls (75Hz\/400Hz\/ 800Hz\/4KHz\/10KHz), each band is processed by one op amp independently. EQ5-TONE can compensate for the defects of speakers and sound field by adjusting 5-band high, middle and low \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003efrequencies, and modify various sound sources.\u003c\/span\u003e\n\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;\"\u003eAdjustable VU meter and Bluetooth input: Dual large VU meter (45mm), driven by a dedicated VU driver chip, supporting the adjustment of background light, pointer speed and Gain, dynamically decorates audio environment and provides incomparable visual effects. Add Bluetooth 5.0 input, convenient for you to enjoy HIFI music via wireless connection.\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;\"\u003eBypass design and balance adjustment: with bypass mode to turn off EQ preamplification, the audio signal will output from IN to OUT directly without any processing, convenient for enjoying original sound. Also with a balance control to compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position. \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;\"\u003eAttractive looking and powerful design: all metal case and aluminum knurled knob with good shielding performance, all I\/O interfaces are gold-plated to ensure the smooth transmission of the original audio signal to minimize the loss of the signal. Mini size and powered by DC 5V, easy to carry and convenient to use in most scenarios.\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;\"\u003eParameters\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;\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eModel: EQ5-TONE\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: Bluetooth \/ Stereo RCA \/ 3.5mm AUX \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: Stereo RCA \/ 3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eEQ Bands:75Hz \/ 400Hz \/ 800Hz \/ 4KHz \/10KHz  \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBypass function: support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBalance adjustment of L\/R channel: support  \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput impedance: 50KΩ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput impedance: 15Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 5Hz-20KHz   \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD: 0.003%@1 KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 5V (≥500mA)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePower interface: USB (type-C)  \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDiameter of VU meter: 45mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions(W*D*H): 164*108*82mm \/ 6.46*4.25*3.23in\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): 210*l85*100mm\/8.27*7.28*3.94in  \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight:730g \/1.61lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight:1.0kg\/2.20lb\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;\"\u003ePacking List\u003c\/span\u003e\n\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*EQ5-TONE Equalizer  \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*USB cable (type-C)   \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\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Screwdriver\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47411219267816,"sku":"XX-EQ5-TONE-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47411219300584,"sku":"XX-EQ5-TONE-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47411219333352,"sku":"XX-EQ5-TONE-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47411219366120,"sku":"XX-EQ5-TONE-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47411219398888,"sku":"XX-EQ5-TONE","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-EQ5-TONE_1.jpg?v=1721379857"},{"product_id":"douk-audio-p1plus-bluetooth-tube-preamp-usb-dac-headphone-amp-w-vu-meter-dsd256","title":"Douk Audio P1 PLUS Bluetooth Tube Preamp USB DAC Headphone Amp w\/VU Meter DSD256","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;\"\u003ePerfect Blend of Vintage and Modern: The P1PLUS boldly reimagines the appearance of HIFI audio equipment. It integrates customized pluggable VU meters, retro military-grade vacuum tubes and a crystal-clear OLED screen. Not only add warmth to the sound but also vividly show the dynamic changes in the audio signal. Allowing you immerse yourself in a vibrant audio-visual feast as you delve into the HiFi world.\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;\"\u003eLuxurious Chipset Unleashes Peak Performance: QCC5125 Bluetooth chip supports APTX-HD and LDAC, achieving the highest 24Bit\/96Khz transmission. The SA9137L USB chip and ESS9018K2M DAC chip handle PCM data up to 384KHz\/32Bit and DSD256. The TPA6120 amp chip effortlessly powers headphones ranging from 16Ω to 600Ω. Besides OPA1656, 2PCS pluggable NE5532 op amps allow you to tailor your sound by swapping with various dual op-amps.\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;\"\u003eAuthentic tube amplification and sound: the P1PLUS preamp circuit elevates the voltage to 100V, ensuring that the vacuum tubes operate at their full potential and delivering a warm and rich experience. The unique technology faithfully reproduces crisp high tones, lush midrange richness, and deep, rhythmic bass. Pluggable socket design allows for tube rolling and sound-shaping to customize your own 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;\"\u003eVersatile audio inputs and outputs: the P1PLUS provides Bluetooth\/ USB\/ coaxial\/ optical\/ stereo RCA\/ 3.5mm AUX inputs, and optical\/ stereo RCA\/ 3.5mm AUX\/ 3.5mm headphone jack outputs, perfect for fulfilling all your home audio needs, also easy to create 2.1 or multi-channel audio systems by connecting active speakers, amplifiers, or subwoofers. Multiple devices can be connected and switched at one time to minimize cable-plugging hassles. \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;\"\u003eEnhanced details elevate the P1PLUS to perfection: it features tone knobs allowing for precise tuning of bass and treble; with remote control to adjust all settings at your fingertips; and a Bluetooth reset button on the remote to prevent accidental connections; color-variable VU meter complements various listening spaces; the sleek aluminum-alloy CNC-molded body seamlessly blends retro charm with modern design.\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;\"\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\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1. All analog audio outputs will work at the same time no matter what audio input is selected. While the optical output will only work when PC-USB inputs.  \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2. Only USB input supports PCM 384Khz\/32bit DSD256, coaxial and optical inputs only support PCM 192KHz\/24Bit at the highest.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e3. For win7, PC-USB only can be recognized when the driver is installed. For other systems, the driver is only required when playing DSD files.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4. P1PLUS default comes with JAN5654 tubes, can be replaced by 6J1, 6K4, 6J5, GE5654W, 6*1N, 6*2N, 6J5,6A2, etc. \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;\"\u003e5. The volume \/ treble \/ bass of the three outputs (stereo RCA \/ 3.5mm AUX output and 3.5mm headphone jack) are controlled simultaneously.  \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;\"\u003eParameters\u003c\/span\u003e\n\u003c\/div\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: P1 PLUS\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 \/ USB \/ Coaxial \/ Optical \/ 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: Optical \/ Stereo RCA \/ 3.5mm AUX \/ 3.5mm headphone jack\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;\"\u003eChipset: QCC5125+SA9137L+ES9018K2M+TPA6120+OPA1656+NE5532 (2PCS pluggable)\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. Sampling rate USB supported: PCM 384KHz\/32Bit \/ DSD256\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. Sampling rate Coaxial\/Optical supported: PCM 192KHz\/24Bit\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;\"\u003eOperation systems PC-USB supported: W7\/W8\/W10\/W11\/MAC\/Linux\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: 5.1 (support AAC\/SBC\/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;\"\u003eFrequency response: 20Hz-20kHz(±1.8dB)\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: 0.1%\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: ≥106dB\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: 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;\"\u003eOutput level: 2V\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 impedance of headphones: 16-600Ω\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;\"\u003eOutput power of headphone jack: 750mW\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 12V (≥1.5A)\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: 906g \/ 2.0lb\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 weight: 1.60kg \/ 3.53lb\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;\"\u003eDimensions(W*D*H): 224*86*95mm\/8.82*3.39*3.74in \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): 288*195*100mm \/ 11.34*7.68*3.94in\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\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 × P1PLUS\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 × DC 12V 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;\"\u003e2 × JAN5654 Tube\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 × VU Meter\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 × Remote Control (without batteries)\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 × Bluetooth Antenna\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 × USB Cable\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 × Optical Cable\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\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406444904680,"sku":"SUC-P1-PLUS-US","price":189.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406444937448,"sku":"SUC-P1-PLUS-UK","price":189.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406444970216,"sku":"SUC-P1-PLUS-DE","price":189.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406445002984,"sku":"SUC-P1-PLUS-AU","price":189.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406445035752,"sku":"SUC-P1-PLUS","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/White-01.jpg?v=1727249229"},{"product_id":"douk-audio-l1mini-mini-stereo-line-level-booster-amplifier-audio-preamp-20db-gain-volume-control","title":"Douk Audio L1MINI Mini Stereo Line Level Booster Amplifier Audio Preamp 20dB Gain + Volume Control","description":"\u003cdiv id=\"pastingspan1\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eIntroduction\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e\n\u003cbr\u003eDouk Audio L1 MINI is an upgraded version of L1, featuring a more compact size and simplified interfaces. It is a stereo amplifier with built-in voltage boost and amplification circuits, designed to boost the output of virtually any line level audio source (such as TV, video games, MP3 players, ipod, phone, tablet etc.) to max 20dB. L1 MINI features its wide gain range, wide frequency response, excellent S\/R and HiFi sound, to bump the output level of the audio devices which are with an inherently low level output so as to match other sources, or to allow the use of a longer cable run than normal between components.\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv\u003eFeatures\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStandard input\/output interfaces: with 3.5mm AUX\/stereo RCA inputs and stereo RCA outputs, can be compatible with most low-volume audio sources such as ipod, ipad, phone, TV, MP3 player,  potable CD player, computer, video game etc., and boost their output to the level needed to drive amplifier or speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable gain and voltage boost circuit: with built-in amplification and voltage boost circuit, adjustable gain to match better with different audio sources, while L1 MINI can always work at a high voltage of 26V to provide ±12.5V high output amplitude and max 20dB high gain.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eUnique design and HiFi clear sound: double-side PCB design, NE5532P op amp with pluggable socket design, convenient to upgrade other dual op amps to bring more playability. The high-quality sealed potentiometer ensures a wide frequency range and excellent dynamic response, delivering smooth, warm, and natural sound with ultra-low distortion.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVersatile application scenarios: perfect for boosting the volume of portable audio devices to match home stereo systems, enhancing karaoke or CD\/DVD players for lively parties, and providing external volume control for audio sources lacking adjustments, ideal for mixer or speaker setup, audio recording, party, live stage event etc. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSuper mini size with durability: with a compact size, it is easy to carry and fit into any audio system without taking up much space, perfect for on-the-go use. The all-metal design ensures durability while shielding electronics from electromagnetic interference and reducing noise. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan\u003eWarm tips:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e1.Equipped with USB to DC cable, \u003c\/span\u003e\u003cspan\u003eNOT include power adapter, can use phone charger\/power bank to power it.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e2.\u003c\/span\u003e\u003cspan\u003eIt is not recommended to use computer to power L1 MINI, as it may cause noise interference.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003eAudio input: 3.5mm AUX \/ Stereo RCA\u003c\/li\u003e\n\u003cli\u003eAudio output: Stereo RCA\u003c\/li\u003e\n\u003cli\u003eGain: 10 times, 20dB\u003cspan\u003e (adjustable)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz-20KHz\u003c\/li\u003e\n\u003cli\u003eTHD:\u003cspan\u003e 0.06% Max\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eS\/N ratio: ＞90dB\u003c\/li\u003e\n\u003cli\u003eInput sensitivity:\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e150mW\/50KHz at 1KHz\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eMax output amplitude: ±12.5V\u003c\/li\u003e\n\u003cli\u003eInput voltage: DC 5V (≥350mA)\u003c\/li\u003e\n\u003cli\u003eDC plug size: 5.5*2.5mm\u003c\/li\u003e\n\u003cli\u003eWorking voltage of amplification part: DC 26V\u003c\/li\u003e\n\u003cli\u003eDimensions(W*D*H): \u003cspan\u003e65*89*27mm \/ 2.56*3.50*1.06in\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003ePackage dimensions(W*D*H):\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e130*80*90mm \/ 5.12*3.15*3.54in\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eNet weight:\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e141g \/ 0.31lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003ePackage weight:\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e300g \/ 0.66lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003ePacking List\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003e1*L1 MINI Stereo Line Level Booster\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1*USB to DC Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cspan\u003eWho Needs Douk Audio L1 MINI Stereo Line Level Booster?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cspan\u003e1. Want to correct the sonic mismatch issues that often cause the output volume of portable players\/MP3\/computer lower than other home audio devices, resulting in distorted sound performance.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cspan\u003e2. Want to enhance the output level of karaoke players or CD\/DVD player to transform your stereo music to thrilled sound for party or outdoor events, provide low-noise and high musical accuracy for listening and recording.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cspan\u003e3. Want to provide an external way of volume control for any audio source device or stereo amplifier that has no output level or volume adjustment of its own.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47411215499496,"sku":"XZ-L1-MINI-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47411215532264,"sku":"XZ-L1-MINI-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47411215565032,"sku":"XZ-L1-MINI-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47411215597800,"sku":"XZ-L1-MINI-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47411215630568,"sku":"XZ-L1-MINI","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/2_bff1ed7c-97ef-4d0e-a9a9-90ede5ea3d76.jpg?v=1728898138"},{"product_id":"nobsound-vol-3-mini-passive-preamp-with-volume-controller-for-power-amplifier-active-speakers","title":"Nobsound VOL-3 Mini Passive Preamp with Variable Audio Attenuator for Power Amplifier Active Speakers","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cspan\u003e1. Please use high-quality RCA cables with good shielding performance, otherwise there will be noise.\u003cbr\u003e2. With no gain, no any amplification, only control the signal from the audio source to the backend devices.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\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\n\u003cdiv\u003e\u003cspan\u003eWhy use passive preamp?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eMany sound source such as HIFI PC sound card, DAC, CD players, are with high output signal, some active speakers and pure power amplifiers have high gain themselves, so they needn’t match active preamp to amplify the signal. Passive preamp is the best choice to reduce the sound rendering at the most extent because of no power transistor.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\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\u003ePassive preamp with no gain: Designed without built-in gain, the passive preamp is suitable for connecting to HiFi PC sound card, DAC and CD players with high output signal, as well as active speakers and pure power amplifiers with high gain themselves.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eLossless audio performance: Enjoy pristine audio quality without any coloration or distortion. With the only standard RCA input and output, and a simple volume knob, the design focuses on delivering the purest sound without unnecessary functions.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eHigh-quality ALPS potentiometer: Featuring ALPS A50K dual potentiometer without stepping, the passive preamp allows for smooth and precise volume control, ensuring an optimal listening experience.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eSuperior RCA terminals: Equipped with US CMC-816U RCA connectors made of oxygen-free copper and plated with 24K gold, ensures signal clarity and durability, minimizing any loss in audio quality.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eElegant and portable design: Housed in a CNC-machined full aluminum alloy chassis, the preamp is both stylish and compact, making it easy to integrate into any audio system while enhancing the aesthetic appeal.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\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\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Nobsound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: VOL-3\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\u003ePower required: No\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eColor: Black\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 94*52*43mm \/ 3.70*2.05*1.69in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 180*88*70mm \/ 7.09*3.46*2.76in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 224g \/ 0.49lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage weight: 300g \/ 0.66lb\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\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* Passive preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47411215859944,"sku":"SUC-VOL-3-US","price":46.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47411215892712,"sku":"SUC-VOL-3-UK","price":46.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47411215925480,"sku":"SUC-VOL-3-DE","price":46.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47411215958248,"sku":"SUC-VOL-3-AU","price":46.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47411215991016,"sku":"SUC-VOL-3","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-VOL-3_1.jpg?v=1729155893"},{"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-p2-fm-magic-6e2-preamp-stereo-headphone-amp-sound-level-indicator-fm-radio-clock","title":"Douk Audio P2-FM Magic 6E2 Preamp Stereo Headphone Amp Sound Level Indicator FM Radio Clock","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;\"\u003eVivid music spectrum: the VFD screen and captivating 6E2 tubes bring your music to life, displaying audio levels in sync with the rhythm. Whether from MIC or line input, the pulse and glow immerse you in both sight and 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;\"\u003eEnhanced audio style: P2-FM is a preamp as well as a headphone amplifier, offering rich sound performance, blending vintage fluorescence with modern technology, adding unique charm to your home studio.\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;\"\u003eHandy FM radio: tune in to FM stations with manual input, auto-scan, and the ability to save up to 10 favorite stations. An equipped high-gain antenna ensures strong signal reception, while the line output jack allows private listening.\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;\"\u003eDigital clock for bedroom: P2-FM combines timekeeping accuracy (within ±1 minute per year) with customizable font and animation styles. The integrated Pomodoro timer boosts productivity with a 30\/5 min work cycle. \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;\"\u003eMore user-friendly designs: P2-FM supports three selectable frequency bands for global coverage. With adjustable tube gain and 7 levels of VFD brightness, it’s a stylish desk decoration that complements any environment.\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;\"\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;\"\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1. The bias and gain of two 6E2 tubes are set well before shipping, please pay attention to the R\/L channel markings on the tubes, don't insert them wrongly during installation.\u003cbr\u003e2. 3.5mm headphone jack with priority, please make sure the headphone has been disconnected if you want LINE output.\u003cbr\u003e3. If the ANT is not connected to an antenna, LINE OUT can also be connected to an audio cable or headphones as an antenna.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18.6667px;\"\u003e4. It's suggested the 6E2 tubes be turned off when displaying time for a long period.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18.6667px;\"\u003e5. When AUX input is plugged, only clock\/sound level modes can work. In Radio mode, the VFD can only display radio frequency.  \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: P2 FM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: 3.5mm AUX\/Microphone\/FM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: 3.5mm AUX\/3.5mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDisplay mode: Sound level\/FM Radio\/Clock\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput impedance: 20KΩ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput impedance: 10Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥98dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD: 0.003%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMatched headphone impedance: 32-200Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHeadphone output power: 50mW@32Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFM frequency range: ①87.0MHz-108.0MHz   ②76.0MHz-90.0MHz   ③65.0MHz-74.0MHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 9-14V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions (W*D*H): 105*106*38mm\/4.13*4.17*1.50in\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): 200*190*100mm\/7.87*7.48*3.94in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 402g\/0.89lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 800g\/1.76lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\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* P2-FM Preamplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2* 6E2 Tubes\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* DC 12V 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* FM Antenna\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* Set of Feet\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* Screwdriver\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","brand":"doukaudio","offers":[{"title":"US","offer_id":47406976499944,"sku":"XX-P2-FM-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406976532712,"sku":"XX-P2-FM-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406976565480,"sku":"XX-P2-FM-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406976598248,"sku":"XX-P2-FM-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406976631016,"sku":"XX-P2-FM","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_39fdb329-3bf9-43c4-907e-1730a66c0dc3.jpg?v=1735118652"},{"product_id":"nobsound-vol-3-v1-xlr-hifi-passive-preamp-volume-attenuator-rca-xlr-stereo-audio-volume-controller","title":"Nobsound VOL-3\/V1-XLR HiFi Passive Preamp Variable Audio Attenuator RCA\/XLR Stereo Audio Volume Controller","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003e1.Available in RCA and XLR Versions: Please choose the appropriate version based on your audio setup.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003e2.Please use high-quality cables with good shielding performance, otherwise there will be noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003e3.With no gain, no any amplification, only control the signal from the audio source to the back-end devices.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003e4.When the volume knob is turned to the maximum, the signal passes through without attenuation.\u003c\/span\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eWhy use a passive preamp?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: left;\"\u003eMany audio sources\u003cspan\u003e, \u003c\/span\u003esuch as DACs and CD players\u003cspan\u003e,\u003c\/span\u003e already deliver high output signals. Meanwhile, many active speakers and dedicated power amplifiers have high gain on their own, making an active preamp unnecessary. In such cases, a passive preamp is the ideal choice, as it avoids sound coloration by using no powered transistors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cspan\u003eFeatures\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003ePassive Circuitry with No Gain: \u003c\/span\u003e\u003cspan\u003eEngineered without active components or external power supply, the passive preamp eliminates signal coloration caused by transistors. Pure circuitry maintains original audio fidelity with zero distortion.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eStudio-Grade Attenuation Control: Utilizes a quad-gang ALPS potentiometer for ultra-smooth, low-noise volume control, ensuring fluid adjustment without channel imbalance, perfect for fine-tuning in critical listening environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eSource-to-Amp Level Optimizer: \u003c\/span\u003e\u003cspan\u003eResolves level mismatches between digital sources and sensitive amplifiers. Safely attenuates strong signals without compression, preserving dynamic range while preventing overload.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003ePro-Grade Components for Signal Protection: Features gold-plated terminals for oxidation-resistant signal transmission, paired with double-sided ENIG PCB that ensures consistent signal integrity and long-lasting performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eDurability Meets Aesthetics: Precision-machined from solid aluminum alloy, the enclosure offers both durability and a clean, modern look. Its compact construction fits neatly into desktop setups or full-sized audio racks.  \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 style=\"text-align: left;\"\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable border=\"1\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eVOL-3\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eV1-XLR\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eAudio input\/output\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eRCA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eXLR\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003ePower required\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\" valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eNO\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eNumber of channels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\" valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003e2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eAttenuation method\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\" valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003eResistive attenuation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003ePackage dimensions (W*D*H)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003e180*88*70mm \/ 7.09*3.46*2.76in\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp\u003e\u003cspan\u003e195*155*70mm \/ 7.60*6.10*2.75in\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\"\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eNet weight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e224g \/ 0.49lb\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e558g \/ 1.23lb\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003ePackage weight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003e300g \/ 0.66lb\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e700g \/ 1.54lb\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\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* VOL-3\/V1-XLR Preamp (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","brand":"Douk Audio","offers":[{"title":"RCA \/ US","offer_id":47269221269736,"sku":"SUC-VOL-3-US","price":46.99,"currency_code":"USD","in_stock":true},{"title":"RCA \/ UK","offer_id":47406967357672,"sku":"SUC-VOL-3-UK","price":46.99,"currency_code":"USD","in_stock":true},{"title":"RCA \/ EU","offer_id":47406967390440,"sku":"SUC-VOL-3-DE","price":46.99,"currency_code":"USD","in_stock":true},{"title":"RCA \/ AU","offer_id":47406967423208,"sku":"SUC-VOL-3-AU","price":46.99,"currency_code":"USD","in_stock":true},{"title":"RCA \/ Other","offer_id":47406967455976,"sku":"SUC-VOL-3","price":46.99,"currency_code":"USD","in_stock":true},{"title":"XLR \/ US","offer_id":47269221302504,"sku":"SUC-V1-XLR-US","price":72.99,"currency_code":"USD","in_stock":true},{"title":"XLR \/ UK","offer_id":47406967488744,"sku":"SUC-V1-XLR-UK","price":72.99,"currency_code":"USD","in_stock":true},{"title":"XLR \/ EU","offer_id":47406967521512,"sku":"SUC-V1-XLR-DE","price":72.99,"currency_code":"USD","in_stock":true},{"title":"XLR \/ AU","offer_id":47406967554280,"sku":"SUC-V1-XLR-AU","price":72.99,"currency_code":"USD","in_stock":true},{"title":"XLR \/ Other","offer_id":47406967587048,"sku":"SUC-V1-XLR","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/2_a2b10b62-9a9d-4610-ba49-ede5a664b3e4.jpg?v=1745286407"},{"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":"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":"ampapa-q1","title":"Ampapa Q1 HIFI ESS9039+AK4493 Desktop DAC [Based on DAC-Q11]","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNext-Gen DAC Performance: A fully upgraded successor to the Douk Audio DAC-Q11, the Q1 retains its signature dual-DAC design while improving every core spec with cutting-edge ESS9039, AK4493, XMOS XU316, Bluetooth 5.2 and vivid OLED display. High-res support up to PCM 768kHz\/32bit and DSD512 delivers studio-level clarity.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDual DAC Architecture: Easily switch between ESS9039 for clean, analytical sound or AK4493 for smoother musicality. Assign your preferred DAC chip and filter mode to each LINE and headphone output, tailoring sound to different genres, gear, or moods. SINAD ≥113dB, THD+N as low as 0.0002%, ensuring clean, distortion-free audio.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eExpressive Display with Style: The screen clearly shows input mode, DAC chip assignment, USB driver mode, and volume—everything you need at a glance. Q1 also offers 11 unique display modes, including diverse retro-style VU meters, audio spectrum, spinning vinyl, and cassette-style reels, each adding visual character to your HiFi setup.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInput and Output Versatility: Supports USB-C with UAC 1.0\/2.0 modes for wider compatibility, including gaming consoles, plus Bluetooth with aptX\/aptX-HD, coaxial, and optical inputs. Q1 has 2xRCA and 2xbalanced TRS outputs, powering up to four amps or active speakers at once. A 3.5mm headphone jack offers personal listening with 1000mW output and two gain levels for optimal performance with both IEMs and high-impedance headphones.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFull Control at Your Fingertips: Customize your audio with four swappable LM49720 op-amps, easily accessible via a top window. Q1 also features full-spectrum RGB lighting, remote control, Bluetooth reset, adjustable brightness, and 12V trigger out. Perfectly matched with the Ampapa D1 for a cohesive stack both visually and functionally.\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\u003cstrong\u003eQ: What operating systems are compatible with the Q1’s USB connection, and do I need to install a driver?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e Q1 \u003c\/span\u003e\u003cspan\u003esupports\u003c\/span\u003e\u003cspan\u003e Windows 10\/11, macOS, Android, iOS, and audio-focused Linux (e.g. Volumio, ROON). USB connection with phones requires OTG support. No drivers \u003c\/span\u003e\u003cspan\u003eneeded\u003c\/span\u003e\u003cspan\u003e for mobile devices, macOs, or Linux. Windows needs a driver only in UAC 2.0 mode.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong data-end=\"639\" data-start=\"581\"\u003eQ: Can I remove the mesh layer on the Q1’s top window?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"642\" data-start=\"639\"\u003e\u003cspan\u003e\u003cstrong data-end=\"650\" data-start=\"644\"\u003eA:\u003c\/strong\u003e No. It’s a built-in EMI shield to prevent signal interference. Please do not remove it, and keep phones or routers away from the Q1.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong data-end=\"590\" data-start=\"543\"\u003eQ: Can I replace the op-amps in the Q1?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"593\" data-start=\"590\"\u003e\u003cspan\u003e\u003cstrong data-end=\"599\" data-start=\"593\"\u003eA:\u003c\/strong\u003e Yes, the Q1 uses 4PCs pluggable LM49720 op-amps, which can be replaced by standard dual op-amps like 2604\/2134\/muses02 etc. \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong data-end=\"814\" data-start=\"748\"\u003eQ: Why don't the single VU meter and spectrum display work properly?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"817\" data-start=\"814\"\u003e\u003cspan\u003e\u003cstrong data-end=\"823\" data-start=\"817\"\u003eA:\u003c\/strong\u003e In single VU meter and spectrum modes, the Q1 only detects the left channel input. If only the right channel is connected, the VU meter and spectrum display will not operate. \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong\u003eQ: Why can't I find Q1 in my Bluetooth list?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"507\" data-start=\"504\"\u003e\u003cspan\u003e\u003cstrong\u003eA: \u003c\/strong\u003eMake sure Q1 is set to Bluetooth mode, then turn on Bluetooth on your phone and search for \"AMPAPA Q1\" to connect. If Q1 still doesn't appear, try clearing previous connections using the remote control.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong data-end=\"596\" data-start=\"523\"\u003eQ: Why do the vinyl and tape-style displays spin at a constant speed?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"599\" data-start=\"596\"\u003e\u003cspan\u003e\u003cstrong data-end=\"605\" data-start=\"599\"\u003eA:\u003c\/strong\u003e These two display modes don’t react to audio signals, so they simply maintain a constant rotation speed. Even if the music is paused,the rotation continues as long as the mode is engaged. \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong\u003eQ: Why does the VU meter show a large deflection at low volume, but a smaller deflection at high volume? \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e The Q1 features an automatic gain control system (AGC) for the VU meters. \u003c\/span\u003e\u003cspan\u003eWhen the input signal is low, the system switches to high gain; when the \u003c\/span\u003e\u003cspan\u003esignal is high, it switches to low gain. This ensures the VU meters maintain \u003c\/span\u003e\u003cspan\u003esufficient deflection across different volume levels.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong\u003eQ: Does the remote control include batteries?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eA: \u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eFor safer and faster delivery, the remote control may not include batteries (AAA*2). Please prepare them yourself.\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: Ampapa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: Q1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Bluetooth 5.2 \/ USB-C \/ Coaxial \/ Optical\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: 2 sets of RCA \/ 2 sets of balanced TRS \/ 3.5mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChipset: ESS9039Q2M+AK4493+XMOS XU316+QCC304X+LM49720\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax. sampling rate supported:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePC-USB: PCM 768KHz\/32bit, DSD(Native) 512, DSD(DoP) 256\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoaxial \/ Optical: PCM 192KHz\/24bit, DSD(DoP) 64\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBluetooth 5.2: 48KHz\/24Bit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUSB supported operating systems: W10\/W11\/macOs\/Linux\/Android\/iOS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBluetooth supported codecs: SBC\/aptX\/aptX-HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 20Hz-20kHz (±0.2dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD+N: 0.0002%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: ≥120dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax. output level: RCA: 2V   TRS: 4V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax. headphone output power\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHigh gain: 1000mW@32Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow gain: 380mW@32Ω \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched headphone impedance: 16-600Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput sensitivity: 0dBFS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUSB driver mode: UAC 1.0\/2.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemote control: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eScreen display: 11 VU modes +1 working status mode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBacklight brightness: 10-level adjustment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLED color: Infinite RGB color combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorking voltage: DC 12V (5.5*2.1mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 155*124*42mm \/ 6.10*4.88*1.65in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Dimensions (W*D*H): 300*230*70mm \/ 11.81*9.05*2.75in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 643g \/ 1.42lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.2kg \/ 2.64lb\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* Q1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* DC 12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Bluetooth Antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* USB-C to USB-A\/USB-C Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Optical Fiber Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* 3.5mm Trigger Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Remote Control (without battery)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Cleaning Cloth\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Certificate\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47772093776104,"sku":"SUC-Q1-US","price":269.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47772093808872,"sku":"SUC-Q1-UK","price":269.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47772093841640,"sku":"SUC-Q1-DE","price":269.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47772093874408,"sku":"SUC-Q1-AU","price":269.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":47772093907176,"sku":"SUC-Q1","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/00_c6fd70eb-f526-4dea-8fcf-ae28df9f4a60.jpg?v=1764921914"},{"product_id":"douk-audio-eq7-hifi-7-band-audio-equalizer-preamp-w-balanced-xlr-output","title":"Douk Audio EQ7 HiFi 7-Band Audio Equalizer Preamp w\/ Balanced XLR Output","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e7-Band EQ for Custom Sound: EQ7 stereo equalizer lets you tailor sound around your speakers, music and taste. Built for more detailed tone control, it offers seven adjustable bands from 32Hz to 10kHz with ±10dB adjustment to shape bass weight, vocal body and treble detail. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTrue Balanced XLR Conversion: EQ7 actively converts RCA input into true balanced XLR output with positive and inverted signal phases, bridging classic RCA sources with balanced HiFi amplifiers and powered speakers through a cleaner, lower-noise signal path with better signal integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDual Large VU Meters in Motion: Watch your signal come alive through classic needle movement, adding a retro feel while making music dynamics easy to see at a glance. Brightness, speed and gain controls let you fine-tune the meter glow and response to match your source level and preferred visual style.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFlexible RCA\/XLR Connectivity: Keep DAC, CD player or streamer connected through RCA\/XLR inputs and switch sources without repeated cable changes. Simultaneous RCA\/XLR outputs share the EQ-tuned signal, while the volume knob keeps final level control close at hand.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompact Aluminum HiFi Build: CNC-machined aluminum front panel, aluminum chassis and gold-plated I\/O connectors give EQ7 a sturdy, refined build with reliable signal contact. Its compact footprint fits easily into desktop, bookshelf or HiFi rack systems, while USB-C power keeps connection simple.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: Is the XLR output true balanced?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. EQ7 uses a dedicated circuit to convert the processed audio signal into a true balanced XLR output (with opposite-phase signals), helping to minimize noise and maintain signal integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does the EQ7 support simultaneous RCA and XLR output?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Whether the input is RCA (unbalanced) or XLR (balanced), the signal is processed by the EQ and then output through both RCA and XLR at the same time. The two outputs cannot be switched independently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does the EQ7 have a bypass function?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eA:\u003c\/strong\u003e There is no dedicated bypass switch. However, setting all EQ controls to the center position (0 dB) achieves a near-bypass effect, with no gain or attenuation applied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: What if the VU meter response is too strong or too weak?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Adjust the VU meter sensitivity and range controls on the rear panel. Fine-tune these settings while playing audio to achieve the desired display effect.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: What power supply should be used?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eA: \u003c\/strong\u003ePlease use the included power adapter. If using another adapter, make sure it is a high-quality 5V DC power supply. Do not use fast-charging adapters, as they may affect performance or cause damage to the EQ7.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: EQ7\u003c\/span\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio Input: RCA \/ XLR\u003c\/span\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio Output: RCA \/ XLR\u003c\/span\u003e \u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRCA-to-XLR True Balanced Conversion: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEQ Bands: 32Hz \/ 60Hz \/ 150Hz \/ 400Hz \/ 800Hz \/ 4kHz \/ 10kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eEQ Gain: ±10dB\u003c\/span\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency Response: 20Hz-20kHz\u003c\/span\u003e \u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Input Level: 1.5Vrms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Output Level: 8Vrms (at 600Ω load)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput Impedance:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRCA: 50kΩ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXLR: 10kΩ\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOutput Impedance:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRCA: 10Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXLR: 100Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaximum Output Gain: 10dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eVU Meter Adjustment: Range \/ Brightness \/ Sensitivity  \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower Input: USB-C, DC 5V ≥1A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W × D × H): 163 × 107 × 82 mm \/ 6.43 × 4.24 × 3.24 in \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Dimensions (W × D × H): 210 × 185 × 100 mm \/ 8.27 × 7.28 × 3.94 in   \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet Weight: 760 g \/ 1.67 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Weight: 950 g \/ 2.09 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × EQ7\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 × USB-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":"US","offer_id":48661582446824,"sku":"XX-EQ7-US","price":119.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":48661582479592,"sku":"XX-EQ7-UK","price":119.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":48661582512360,"sku":"XX-EQ7-DE","price":119.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":48661582545128,"sku":"XX-EQ7-AU","price":119.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":48661582577896,"sku":"XX-EQ7","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-EQ7_8.jpg?v=1781691298"}],"url":"https:\/\/doukaudibestseller.com\/collections\/audio-preamp.oembed","provider":"Douk Audio","version":"1.0","type":"link"}