douk audio Manuals & User Guides

DOUK AUDIO 1424 Music Spectrum Audio Spectrum Sound Level LED Level Meter Display Analyzer Instruction Manual

April 26, 2024

DOUK AUDIO 1424 Music Spectrum Audio Spectrum Sound Level LED Level Meter Display Analyzer How to use Key operation Short press: M ---mode switching ▲--- increase brightness ▼---decrease brightness (recommended brightness value 2-4) M (keep pressing) + ▲ (short press)---increase…

Brand: Douk Audio 

DOUK AUDIO MC5 PRO 2 Channel Line Mixer Headphone Monitoring Club Live Studio Recording User Manual

March 23, 2024

ONE Lite Bear MC5 PRO 2 Channel Line Mixer Headphone Monitoring Club Live Studio Recording User Manual Introduction MX3 I MC5 PRO is a mini audio mixer with 2 groups (MX3) I 4 groups (MC5 PRO) of 3.5mm inputs, 1…

Brand: Douk Audio 

DOUK AUDIO LP Vinyl Record Cleaning Clamp Instructions

February 29, 2024

DOUK AUDIO LP Vinyl Record Cleaning Clamp Introduction Adopt a high-quality silicone waterproof rubber band and transparent design, allow you to see your record label is DRY while you are cleaning your lovely records. Dual 5mm thick acrylic board, very…

Brand: Douk Audio 

DOUK AUDIO GE JAN 5654W Matched Pair 7 Pin Vacuum Tubes Instruction Manual

February 27, 2024

Matched Pair 7-Pin GE JAN 5654W Vacuum Tubes Introduction AMPLIFIER DAMAGE CAN OCCUR IF YOU SUBSTITUTE THE WRONG TYPE OF TUBE. 5654W tubes should only be used to replace 7-Pin /61/6J1/6J1P / 6J1P-EB / 6Zh1P-EV/6AK5/ 6AK5W and EF95 tubes. DO…

Brand: Douk Audio 

DOUK AUDIO A1 Microphone Headset Speaker Audio Switcher User Manual

January 10, 2024

DOUK AUDIO A1 Microphone Headset Speaker Audio Switcher  Introduction MC1024-MINI is a 2-way speaker/headphone switcher box with full function, just need to connect audio sources such as computer, phone, game consoles, etc. to its A/B inputs, and connect headphones (also…

Brand: Douk Audio 

DOUK AUDIO DSD256 Mini HiFi Preamp Digital Audio USB Player Instruction Manual

January 10, 2024

DSD256 Mini HiFi Preamp Digital Audio USB Player Instruction Manual Thank you very much for choosing our products!Please read this manual carefully before using the product. Front and rear panel description VU level meter(L) Display Infrared receiving window VU level…

Brand: Douk Audio 

DOUK AUDIO PJ587_NEW Nobsound 150W 24V/6AAC/DC Power Supply User Manual

January 6, 2024

DOUK AUDIO PJ587_NEW Nobsound 150W 24V/6AAC/DC Power Supply Specifications Power Supply: 150W 24V/6A AC/DC Input Voltage: Universal wide voltage of 100V-240V 50/60Hz Circuit Protection: Automatic overload cut-off, over-voltage cut-off, automatic thermal cut-off, short circuit protection, and fuse Application: Suitable for…

Brand: Douk Audio 

DOUK AUDIO T3 Pro Phono Stage Vacuum Tube Preamp Instructions

January 4, 2024

T3 PRO MM Phono Stage Vacuum Tube Preamp How to use Connect the active speakers or an amplifier to the RCA output of T3 PRO. Connect the turntable to the phono input of T3 PRO, or the AUX input of…

Brand: Douk Audio 

DOUK AUDIO SP102 Audio Selector Stereo Switcher for Amplifier Speaker Instruction Manual

January 4, 2024

DOUK AUDIO SP102 Audio Selector Stereo Switcher for Amplifier Speaker Introduction SP102 is a passive audio selector, convenient to compare the sound quality of 2 pair of different speakers or 2PCS amplifiers. Each channel can pass through power up to…

Brand: Douk Audio 

DOUK AUDIO AKDB32 Color RGB LED MIC Sound Level Meter Audio Spectrum Instructions

December 27, 2023

DOUK AUDIO AKDB32 Color RGB LED MIC Sound Level Meter Audio Spectrum Instructions Warm Tips The whole display screen is covered by a layer of protective film, please remove it before using. Powered by DC 5V (Micro-USB), exceed 5V will…

Brand: Douk Audio 

Douk Audio Vacuum Tube Amplifier User Manual

User Manual • December 20, 2025

User manual for the Douk Audio HiFi Stereo Bluetooth 5.0 Vacuum Tube Amplifier MM Phono Amp for Turntables 320W, covering specifications, operation, and troubleshooting.

Brand: Douk Audio

Nobsound G3 Mini Bluetooth Digital Amplifier with Tone Control - Douk Audio User Manual

User Manual • December 19, 2025

User manual for the Nobsound G3 Mini Bluetooth Digital Amplifier by Douk Audio. Features include tone control, Bluetooth connectivity, and detailed specifications, functions, and troubleshooting.

Brand: Douk Audio

DOUK AUDIO Bluetooth Amplifier USB Music Player User Manual

manual • December 19, 2025

User guide for the DOUK AUDIO Bluetooth Amplifier USB Music Player, covering setup instructions, technical specifications, packing list, and contact details.

Brand: DOUK AUDIO

Douk Audio SP102 Passive Audio Selector User Manual

manual • December 18, 2025

User manual for the Douk Audio SP102 passive audio selector, detailing its features, operation, specifications, and contact information. Supports 200W per channel and multiple amplifier/speaker configurations.

Brand: Douk Audio

Douk Audio D1 Audio Amplifier User Manual

User Manual • December 16, 2025

User manual for the Douk Audio D1 audio amplifier, detailing its features, specifications, front and rear panel controls, and operational instructions for optimal audio performance.

Brand: Douk Audio

Douk Audio M5.1 Amplifier User Manual and Specifications

User Manual • December 3, 2025

This manual provides comprehensive instructions for the Douk Audio M5.1 amplifier, including setup, operation, troubleshooting FAQs, technical parameters, and front/back panel descriptions. Learn how to connect your audio sources and speakers for optimal Hi-Fi performance.

Brand: Douk Audio

DOUK AUDIO Lepy 168 Plus Bluetooth Amplifier for Home & Car | Hi-Fi Stereo USB/AUX/RCA

product overview • November 29, 2025

Discover the DOUK AUDIO Lepy 168 Plus, a versatile 2.1 channel Bluetooth power amplifier designed for home and car use. This mini Hi-Fi stereo amplifier offers 90W total output, multiple inputs (USB, SD, AUX, RCA), and remote control functionality. Includes detailed specifications…

Brand: DOUK AUDIO

ONE Little Bear P32 FU32 Tube Hybrid Headphone Amplifier

product overview • November 11, 2025

Detailed overview of the ONE Little Bear P32 FU32 tube hybrid headphone amplifier by Douk audio. Features include vacuum tube amplification, multiple input/output options, upgradeable OP chips, and specifications for audiophiles.

Brand: Douk audio

DOUK AUDIO AV-889 HiFi Bluetooth 5.0 Tube Power Amplifier Specifications

Product Overview • November 7, 2025

Explore the detailed specifications and usage tips for the DOUK AUDIO AV-889 HiFi Bluetooth 5.0 Tube Power Amplifier, a high-fidelity audio device with versatile connectivity options.

Brand: DOUK AUDIO

Douk Audio G7 Amplifier User Manual - High-Fidelity Audio

User Manual • November 4, 2025

Comprehensive user manual for the Douk Audio G7 amplifier, detailing features, specifications, connections, operation, and troubleshooting for optimal high-fidelity audio performance.

Brand: Douk Audio

Douk Audio AMPAPA-D1 User Manual - Setup and Operation Guide

User Manual • November 4, 2025

Comprehensive user manual for the Douk Audio AMPAPA-D1 amplifier, covering setup, operation, specifications, and troubleshooting. Learn how to get the most out of your audio device.

Brand: Douk Audio

DOUK AUDIO 7.83Hz Schumann Wave Resonance Generator: Features, Applications, Specifications, and Contact

Product Overview • November 4, 2025

Explore the DOUK AUDIO 7.83Hz Schumann Wave Resonance Generator (Model FM 783). This comprehensive overview covers essential warm tips, detailed features and category applications including HIFI audio, sleep enhancement, creative pursuits, and meditation. It also provides technical specifications, packing contents, and manufacturer…

Brand: DOUK AUDIO

Douk Audio Nobsound NS-02E Vacuum Tube Headphone Amplifier User Manual

NS-02E • March 11, 2026 • Amazon

Comprehensive instruction manual for the Douk Audio Nobsound NS-02E Vacuum Tube Headphone Amplifier, covering setup, operation, maintenance, troubleshooting, and specifications.

Brand: Douk Audio

Douk Audio Nobsound CT1-P Plate Bias Current Probe Tester User Manual

CT1-P • March 7, 2026 • Amazon

Comprehensive user manual for the Douk Audio Nobsound CT1-P Plate Bias Current Probe Tester, including setup, operation, troubleshooting, and specifications for vacuum tube amplifiers.

Brand: Douk Audio

Douk Audio Q4 Mini Bluetooth 5.0 Headphone Amplifier and USB DAC User Manual

Q4 • March 5, 2026 • Amazon

Comprehensive instruction manual for the Douk Audio Q4 Mini Bluetooth 5.0 Headphone Amplifier and USB DAC, covering setup, operation, specifications, and troubleshooting for optimal audio performance.

Brand: Douk Audio

Douk Audio VU9 Pixie Tube Sound Level Meter Instruction Manual

XX-VU9-2024 • February 28, 2026 • Amazon

Comprehensive instruction manual for the Douk Audio VU9 Pixie Tube Sound Level Meter, covering setup, operation, features, and specifications for optimal use.

Brand: Douk Audio

Douk Audio G5 100W Bluetooth 5.0 2-Channel Mini Digital Stereo Audio Power Amplifier User Manual

G5 • February 17, 2026 • Amazon

Comprehensive user manual for the Douk Audio G5 mini digital stereo amplifier, covering product features, setup instructions, operating procedures, maintenance tips, troubleshooting guide, and detailed technical specifications.

Brand: Douk Audio

Douk Audio MC1022 Mini Audio Switcher User Manual

MC1022 • February 12, 2026 • Amazon

Comprehensive user manual for the Douk Audio MC1022 Mini Audio Switcher, covering setup, operation, features, specifications, and troubleshooting for 2-way RCA stereo passive selector.

Brand: Douk Audio

Douk Audio M100 Mini Bluetooth 5.0 Digital Amplifier User Manual

M100 • February 9, 2026 • Amazon

Comprehensive user manual for the Douk Audio M100 Mini Bluetooth 5.0 Digital Amplifier. This guide covers features, setup, operation, specifications, and troubleshooting for optimal home audio performance.

Brand: Douk Audio

Douk Audio T14-EQ Phono Preamp User Manual

T14-EQ • February 8, 2026 • Amazon

Comprehensive user manual for the Douk Audio T14-EQ Phono Preamp, covering setup, operation, features, and troubleshooting for MM/MC turntables.

Brand: Douk Audio

Douk Audio P7 Vacuum Tube Phono Preamplifier User Manual

SUC-P7 • February 4, 2026 • Amazon

Comprehensive user manual for the Douk Audio P7 Phono Preamp, featuring vacuum tube amplification, balanced XLR output, high-pass filter, and tone controls for MM record players.

Brand: Douk Audio

Douk Audio T7 7-Band Equalizer Balanced XLR/RCA Preamplifier User Manual

T7 • February 2, 2026 • Amazon

Comprehensive user manual for the Douk Audio T7 7-Band Equalizer Balanced XLR/RCA Preamplifier, covering setup, operation, maintenance, troubleshooting, and specifications.

Brand: Douk Audio

Douk Audio VU22 Dual Analog VU Meter Display MIC+LINE Sound Level Meter Instruction Manual

VU22 • February 2, 2026 • Amazon

Comprehensive instruction manual for the Douk Audio VU22 Dual Analog VU Meter, covering setup, operation, features, and specifications for optimal sound level monitoring and audio system integration.

Brand: Douk Audio

Douk Audio L3 RCA Audio Switch User Manual

L3 • February 1, 2026 • Amazon

Official instruction manual for the Douk Audio L3 RCA Audio Switch, detailing setup, operation, maintenance, troubleshooting, and specifications for its 1-IN-3-OUT and 3-IN-1-OUT modes, VU meters, and remote control.

Brand: Douk Audio

Douk Audio P1PLUS HIFI Valve Tube Preamp User Manual

P1PLUS • 1 PDF • June 24, 2026 • AliExpress

Comprehensive instruction manual for the Douk Audio P1PLUS HIFI Valve Tube Preamp with Bluetooth, USB, Coaxial, Optical inputs, and Headphone Amp DSD256 support. Includes setup, operation, specifications, and troubleshooting.

Brand: Douk Audio

Douk Audio P2-FM Magic 6E2 Preamp Stereo Headphone Amp Sound Level Indicator FM Radio Clock User Manual

P2-FM • June 13, 2026 • AliExpress

Comprehensive user manual for the Douk Audio P2-FM, covering setup, operation, maintenance, specifications, and troubleshooting for its preamp, headphone amplifier, sound level indicator, FM radio, and clock functions.

Brand: Douk Audio

Douk Audio A5 PRO Stereo Bluetooth Amplifier Instruction Manual

A5 PRO • 1 PDF • June 9, 2026 • AliExpress

Instruction manual for the Douk Audio A5 PRO Stereo Bluetooth Amplifier, covering setup, operation, maintenance, troubleshooting, specifications, and user tips.

Brand: Douk Audio

Douk Audio NS-21G Mono Channel Subwoofer Amplifier User Manual

NS-21G • 1 PDF • June 3, 2026 • AliExpress

Comprehensive user manual for the Douk Audio NS-21G Mono Channel Subwoofer Amplifier, including setup, operation, specifications, troubleshooting, and maintenance.

Brand: Douk Audio

Douk Audio EQ9 9-Band Stereo Equalizer Preamp User Manual

EQ9 • June 2, 2026 • AliExpress

Comprehensive user manual for the Douk Audio EQ9 9-Band Stereo Equalizer Preamp, including setup, operation, specifications, and troubleshooting for home and car audio systems.

Brand: Douk Audio

Douk Audio ST-01 PRO HiFi Vacuum Tube Power Amplifier User Manual

ST-01 PRO • 1 PDF • May 26, 2026 • AliExpress

Comprehensive instruction manual for the Douk Audio ST-01 PRO HiFi Vacuum Tube Power Amplifier, covering setup, operation, specifications, and troubleshooting for optimal audio experience.

Brand: Douk Audio

Douk Audio M5.1 Digital Amplifier User Manual

M5.1 • 1 PDF • May 24, 2026 • AliExpress

Comprehensive instruction manual for the Douk Audio M5.1 Digital Amplifier, covering setup, operation, troubleshooting, and specifications for its 5.1 channel audio system with Bluetooth 5.0, USB, coaxial, and optical inputs.

Brand: Douk Audio

Douk Audio X1 HiFi JAN5725 Vacuum Tube Amplifier User Manual

X1 • 1 PDF • May 22, 2026 • AliExpress

Comprehensive user manual for the Douk Audio X1 HiFi JAN5725 Vacuum Tube Amplifier, covering setup, operation, specifications, and troubleshooting.

Brand: Douk Audio

Douk Audio T14-EQ Phono Stage Preamp User Manual

T14-EQ • May 22, 2026 • AliExpress

Comprehensive user manual for the Douk Audio T14-EQ Stereo RIAA MM/MC Phono Stage Preamplifier, including setup, operation, specifications, and troubleshooting.

Brand: Douk Audio

Douk Audio VU360 Analog VU Meter Music Spectrum User Manual

VU360 • 1 PDF • May 20, 2026 • AliExpress

Comprehensive instruction manual for the Douk Audio VU360 Retro Analog VU Meter Music Spectrum. Learn about setup, operation, features, specifications, and troubleshooting for this vintage-inspired audio visualizer.

Brand: Douk Audio

DOUK AUDIO D1 Ampapa Bluetooth Amplifier User Manual

D1 • 1 PDF • May 11, 2026 • AliExpress

Comprehensive user manual for the DOUK AUDIO D1 Ampapa Bluetooth Amplifier, covering setup, operation, specifications, and troubleshooting for optimal audio performance.

Brand: DOUK AUDIO

Nobsound EQ5 TONE Mini Bluetooth 5-Band EQ Equalizer Audio Preamp User Manual

EQ5-TONE • 1 PDF • May 10, 2026 • AliExpress

Comprehensive instruction manual for the Nobsound EQ5 TONE Mini Bluetooth 5-Band EQ Equalizer Audio Preamp, covering setup, operation, features, specifications, and troubleshooting.

Brand: Douk Audio