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Douk Audio - On Sale Now! Save up to 6%


On Sale! Up to 6% off on Douk Audio products at The Met Theatre. Hurry! Limited time offers. Offers valid only while supplies last.



Nobsound 8-Pin Dual Bias Current Probes Tester Meter for EL34 KT88 6L6 6V6 6550 Vacuum Tube Amp Amplifier
Nobsound 8-Pin Dual Bias Current Probes Tester Meter for EL34 KT88 6L6 6V6 6550 Vacuum Tube Amp Amplifier
In Stock
$49.99

mpn: GFJ479_New,

How to use it? Turn off your amplifier.Connect the product. Remove the power tubes and Insert the power output tubes into the bias probe sockets. Then Insert bias meter probes into the tube sockets of the amplifier. Turn on your power amp and let th...


Nobsound Mini 50W x 2 Bluetooth Power Amplifier; 2.0 Channel Stereo Hi-Fi Digital Amp; Wireless Audio Receiver; PC Sound Card for Home Speakers with Power Supply Upgrade Version (Black)
Nobsound Mini 50W x 2 Bluetooth Power Amplifier; 2.0 Channel Stereo Hi-Fi Digital Amp; Wireless Audio Receiver; PC Sound Card for Home Speakers with Power Supply Upgrade Version (Black)
In Stock
$30.99

mpn: GFJ058NEW,

Parameters: Bluetooth Distance: within 10 meters Bluetooth Version: 4.0 Speaker Output Power: 50W * 2 AUX Audio Input: 3.5mm stereo audio input jack Power Supply: DC 9V-24V Dimensions: (L)78 * (W)70 * (H)38mm Net Weight: 154g / 5.43 oz Package Weight...


Nobsound Vacuum Tube Amp Amplifier Plate Bias Current Probe Tester 8 Pin Socket for EL34, KT88, 6L6, 6V6, 5881, 6550, KT66, KT100, KT120, 7027 (CT1-P, Plate Current)
Nobsound Vacuum Tube Amp Amplifier Plate Bias Current Probe Tester 8 Pin Socket for EL34, KT88, 6L6, 6V6, 5881, 6550, KT66, KT100, KT120, 7027 (CT1-P, Plate Current)
In Stock
$16.99

mpn: GFB1169,

How to use: 01. Turn off your amp. 02. Remove tube 03. Insert probe 04. Insert black banana plug in the COM jack of your multimeter 05. Insert red banana plug in the mA jack of your multimeter 06. Insert tube in the socket of the probe 07. Set your m...


Nobsound Mini Phono Preamp Preamplifier Burn-in Device HiFi Stereo CD Player to LP Vinyl Turntable Record Player Signal
Nobsound Mini Phono Preamp Preamplifier Burn-in Device HiFi Stereo CD Player to LP Vinyl Turntable Record Player Signal
In Stock
$39.99

mpn: GFJ528, ean: 3265575523270,

Dimensions: 100*60*25 mm / 3.94*2.36*0.98 in Weight: 100 g / 3.53 oz Packing List: 1 * Phono preamp burn-in deviceThis device help you burn-in your phono preamplifier. Convert CD signal to LP signal to burn-in devices. Step 1: connect your CD / SAC...


Nobsound Full DC shielded OP-AMP HiFi Preamplifier Preamp Assembled board
Nobsound Full DC shielded OP-AMP HiFi Preamplifier Preamp Assembled board
In Stock
$35.99

mpn: GFB956, ean: 3265575523249,

Assembled and tested well. OP-AMP: TI NE5532; Potentiometer: ALPS 27; PCB Size: 77*60 mm / 3.03*2.36 in. Double-sided Gold-plated PCB, conductive lower resistance, sound better, appearance very beautiful. Full DC circuit, 0-100KZ flat frequency, timb...


Nobsound EAR834 MM Turntable Vinyl PHONO RIAA Preamp HiFi Tube Preamplifier DIY Kit Suppport 12AX7 / ECC83 Vacuum Tube (PCB+Resistance+Transistor+Capacitance)
Nobsound EAR834 MM Turntable Vinyl PHONO RIAA Preamp HiFi Tube Preamplifier DIY Kit Suppport 12AX7 / ECC83 Vacuum Tube (PCB+Resistance+Transistor+Capacitance)
In Stock
$89.99

mpn: GFB913,

Packing list: (PCB+Resistance+Transistor+Capacitance) Double-sided PCB*1 Imported high precision resistor*37 Filament rectifier bridge*1 High speed commutator*4 power adjustment transistor*1 voltage-regulator diode*4 9pin tube socket*3 CapacitancesTh...


Nobsound Bluetooth Vacuum Tube Power Amplifier Class D HiFi Digital Audio Amp 100W (50W×2) (Black)
Nobsound Bluetooth Vacuum Tube Power Amplifier Class D HiFi Digital Audio Amp 100W (50W×2) (Black)
In Stock
$89.99

mpn: GFJ583_B_US,

Specifications: Tube: 6J1 Amplifier Chip: TPA3116 Rated output power: 2*30W /8Ω, 2*50W /4Ω Audio input: 1 set of RCA input; 1 * 3.5mm stereo input; 1 * Bluetooth input Audio output: 1 set of Banana Speaker Jacks Signal to noise ratio: >99dB Freq...


Nobsound Bluetooth 5.0 APTX-HD Lossless Audio Receiver HiFi Decoder DAC COAX/OPT Digital to Analog Converter Home/Car Audio (Bluetooth 5.0)
Nobsound Bluetooth 5.0 APTX-HD Lossless Audio Receiver HiFi Decoder DAC COAX/OPT Digital to Analog Converter Home/Car Audio (Bluetooth 5.0)
In Stock
$92.99
$86.99
You Save: 6%

mpn: GFJ620,

Package includes: 1× Bluetooth audio recevier 1× Power supply 1× AntennaCSR8675 Bluetooth 5.0 chip, Support APT-X APTX-HD lossless output Ultra HD format, Support 24bit/96Khz sampling rate. Signal transmission stability, memory multiple phones, an...


Nobsound Little Bear Mini Bluetooth FU32 Vaccuum Tube Preamp HiFi Audio Preamplifier Treble Bass Tone Control RCA
Nobsound Little Bear Mini Bluetooth FU32 Vaccuum Tube Preamp HiFi Audio Preamplifier Treble Bass Tone Control RCA
In Stock
$82.99

mpn: GFJ622,

Specifications: Audio input: 1 set of RCA and 1* Bluetooth input Audio output: 1 set of RCA output Dimensions: 11*11*12 cm / 4.3*4.3*4.7 in (including tube height) Net weight: 435 g / 0.96 lb Package weight: 1.5 kg / 3.31 lb Power supply: universal 1...


Nobsound 6N3 × 2 (5670/6H3) tube preamplifier assembled board Hifi buffer
Nobsound 6N3 × 2 (5670/6H3) tube preamplifier assembled board Hifi buffer
In Stock
$27.99

mpn: GFB702,

6N3*2 (5670/6H3) tube preamplifier assembled board buffer. Upgrade digital amplifier, powered speakers weapon. Tubes:6N3*2 (can be replaced by 5670/6H3 etc); Size: 170 × 60 mm. Power supply:AC 12V 500mA(Do not have to worry about looking for high-vo...


Douk Audio TPA3116 2.1 50WX2+100W+ Bluetooth Class D power amplifier Completed board New
Douk Audio TPA3116 2.1 50WX2+100W+ Bluetooth Class D power amplifier Completed board New
In Stock
$26.99

mpn: 4330353692, ean: 6245435006577,

Parameters : Work modle: class D Quiescent current: 60mA Work efficiency: 90% Rated output power: 100W+2*50W Frequency response: 20Hz to 20KHz Working voltage: DC18V to DC24V Maximum output current: 3A PCB SIZE:(L*W)10.4*10.3cm/4.09"*4.06" Input mo...


Nobsound NS-10G Mini Bluetooth 4.0 Digital Amplifier 100W HiFi Amp with Power Supply (Black)
Nobsound NS-10G Mini Bluetooth 4.0 Digital Amplifier 100W HiFi Amp with Power Supply (Black)
In Stock
$33.99

mpn: DZ027, ean: 7413052974794,

Notice: We highly recommend our lastest tube preamp B07719G56B. It will greatly enhance the sound performance of your amp. Specifications: Bluetooth distance: 10 meters Bluetooth standard protocol: Bluetooth 4.0 + EDR Rated power: 50W × 2 Input Int...


Nobsound NS-10P Mini Vacuum Tube Preamp Audio Hi-Fi Stereo Pre-amplifier Treble & Bass Control
Nobsound NS-10P Mini Vacuum Tube Preamp Audio Hi-Fi Stereo Pre-amplifier Treble & Bass Control
In Stock
$44.99

mpn: DZ030, ean: 7717842118031,

What's more: For the matching 3.5mm audio cables, please search them on Amazon with ASIN: B073RF3R2D or B073RF4NYS. Please note this is a preamplifier (not like NS-08E), which needs to be connected with amplifiers or active speakers. It is not a pho...


Douk Audio Mini 6J1 Valve & Vacuum Tube Pre-Amplifier Stereo HiFi Buffer Preamp(Silver)
Douk Audio Mini 6J1 Valve & Vacuum Tube Pre-Amplifier Stereo HiFi Buffer Preamp(Silver)
In Stock
$46.00

mpn: TUBE-01-SILVER, ean: 6245435006454,

Parameters: Dimensions: 98 * 100 * 32 mm (without knobs and terminals) Power supply: DC12V 1A Frequency response: 20Hz (-0.2dB) ~ 20KHz (-0.2dB) SNR: 100dB Input sensitivity: 300mV ~ 2000mV Output: 3000mV THD: 1000mV 0.1% Weight: 350g Packing List:...


Douk Audio 6J1 Tube Phono Preamp MM RIAA Turntable Vinyl LP Record Player HiFi Class A Preamplifier
Douk Audio 6J1 Tube Phono Preamp MM RIAA Turntable Vinyl LP Record Player HiFi Class A Preamplifier
In Stock
$64.00

mpn: 4330356336,

This is a MM phono preamp which only suits for MM turntables and needs to work with amplifier. This phono preaamp sounds like NAIM, and have tube unique flavor, special suit for listen female voice.. Mini compact, Gentle euphemism tone.Single-ended, ...


Douk Audio Mini 6J1 Valve & Vacuum Tube Pre-Amplifier Stereo HiFi Buffer Preamp
Douk Audio Mini 6J1 Valve & Vacuum Tube Pre-Amplifier Stereo HiFi Buffer Preamp
In Stock
$46.00

mpn: TUBE-01-BLACK, ean: 8902112030567,

Notice: ① Preamplifier needs to work with amplifiers or active devices; ② Not PHONO preamp and can't be used for record players. Classic 6J1 tubes with optimized circuit offer classic music experience. Tube can be replaced by 6ж1П, 6AK5,6BC5, E...



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