📘 Douk Audio manuals • Free online PDFs

Douk Audio Manuals & User Guides

Douk Audio, often known as Nobsound, manufactures affordable Hi-Fi audio components including vacuum tube amplifiers, DACs, preamps, and spectrum visualizers for desktop and home audio setups.

Tip: include the full model number printed on your Douk Audio label for the best match.

Douk Audio Support

Sit uffiċjali: https://doukaudio.com
Appoġġ ġenerali: https://doukaudio.com/pages/contact-us
Garanzija u reġistrazzjoni: Informazzjoni dwar il-garanzija
Numru tat-telefon tal-appoġġ: +86-17704028602
Email ta' appoġġ: nobsound@doukaudio.com
Formola ta' kuntatt: Ikkuntattja l-appoġġ tal-manifattur

Douk Audio manuals

L-aħħar manwali minn manuals+ ikkurata għal din il-marka.

DOUK AUDIO LP Vinyl Record Cleaning Clamp Istruzzjonijiet

29 ta’ Frar, 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…

DOUK AUDIO GE JAN 5654W Manwal ta' Istruzzjoni ta' Tubi tal-Vakwu ta' Par Imqabbla 7 Pin

27 ta’ Frar, 2024

Imqabbla Par 7-Pin GE JAN 5654W Tubi tal-vakwu Introduzzjoni AMPLIFIER DAMAGE CAN OCCUR IF YOU SUBSTITUTE THE WRONG TYPE OF TUBE. 5654W tubes should only be used to replace 7-Pin…

DOUK AUDIO A1 Mikrofonu Headset Speaker Audio Switcher Manwal tal-Utent

10 ta’ Jannar, 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…

DOUK AUDIO DSD256 Mini HiFi Preamp Awdjo diġitali USB Player Istruzzjoni Manwal

10 ta’ Jannar, 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…

DOUK AUDIO PJ587_NEW Nobsound 150W 24V/6AAC/DC Manwal għall-Utent tal-Provvista tal-Enerġija

6 ta’ Jannar, 2024

DOUK AUDIO PJ587_NEW Nobsound 150W 24V/6AAC/DC Speċifikazzjonijiet tal-Provvista tal-Enerġija Provvista tal-Enerġija: 150W 24V/6A AC/DC Input Voltage: Universali wiesgħa voltage ta '100V-240V 50/60Hz Protezzjoni taċ-ċirkwit: Qtugħ awtomatiku ta' tagħbija żejda, over-voltage cut-off, automatic…

DOUK AUDIO T3 Pro Phono Stage Vacuum Tube Preamp Istruzzjonijiet

4 ta’ Jannar, 2024

T3 PRO MM Phono Stage Vacuum Tube Preamp Kif tuża Qabbad il-kelliema attivi jew an amplifier to the RCA output of T3 PRO. Connect the turntable to the…

DOUK AUDIO SP102 Audio Selector Stereo Switcher għal Amplifier Manwal ta' Istruzzjoni tal-Ispeaker

4 ta’ Jannar, 2024

DOUK AUDIO SP102 Audio Selector Stereo Switcher għal Amplifier Speaker Introduction SP102 is a passive audio selector, convenient to compare the sound quality of 2 pair of different speakers or…

DOUK AUDIO AKDB32 Kulur RGB LED MIC Istruzzjonijiet tal-Ispettru tal-Awdjo Miter tal-Livell tal-Ħsejjes

27 ta’ Diċembru 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…

DOUK AUDIO T4 Pro Vacuum Tube Phono Preamp MM Turntable PreampManwal ta 'l-Utent aktar ħaj

26 ta’ Diċembru 2023

DOUK AUDIO T4 Pro Vacuum Tube Phono Preamp MM Turntable Preamplifier User Manual PRO front and back panel 3.5mm AUX input 3.5mm headphone output Power on/off; volume knob (Anti-clockwise rotate…

DOUK AUDIO D05 HiFi Stereo Bluetooth 5.0 Qawwa Amplifier Subwoofer Awdjo AmpManwal ta' Istruzzjoni lifier

26 ta’ Diċembru 2023

Instruction Manual Thank you very much for choosing our products!Please read this manual carefully before using the product. Instruction of Front & Rear Surface: ... ... ... ... ...... ...…

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

Manwal għall-Utent

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.

DOUK AUDIO Ġeneratur tar-Reżonanza tal-Mewġa Schumann ta' 7.83Hz: Karatteristiċi, Applikazzjonijiet, Speċifikazzjonijiet, u Kuntatt

Prodott Overview

Esplora l-Ġeneratur tar-Reżonanza tal-Mewġa Schumann ta' 7.83Hz DOUK AUDIO (Mudell FM 783). Din l-analiżi komprensiva...view covers essential warm tips, detailed features and category applications including HIFI audio, sleep enhancement, creative…

Headphones Douk Audio U3, U3 PRO, U10 AmpManwal għall-Utent tal-lifiers

manwal

Manwal komprensiv għall-utent għall-headphones Douk Audio U3, U3 PRO, u U10 amplifters, li jiddeskrivu l-karatteristiċi, l-ispeċifikazzjonijiet, it-tħaddim, u s-soluzzjoni tal-problemi għal dawn l-apparati awdjo.

Douk Audio T4 PLUS User Manual: Setup, Operation, and Specifications

manwal għall-utent

Comprehensive user manual for the Douk Audio T4 PLUS phono preamplifier, detailing setup instructions, operational guidelines, technical specifications, and troubleshooting tips for vinyl playback enhancement.

Douk Audio VU9 & VU9 MINI Music Spectrum Visualizer User Manual

Manwal għall-Utent

Detailed user manual for the Douk Audio VU9 and VU9 MINI music spectrum visualizers, covering features, setup, operation, specifications, and FAQs. Enhance your audio experience with synchronized LED lights.

Manwal tal-Utent tad-Douk Audio DAC-Q11: Konfigurazzjoni, Speċifikazzjonijiet, u Soluzzjoni ta' Problemi

manwal għall-utent

Manwal komprensiv għall-utent għall-Konvertitur Diġitali għal Analogu Douk Audio DAC-Q11. Tgħallem dwar il-karatteristiċi, l-ispeċifikazzjonijiet, l-istruzzjonijiet tas-setup, l-installazzjoni tas-sewwieq tal-PC-USB, id-dijagrammi tal-konnessjoni, u pariri għas-soluzzjoni tal-problemi.

Douk Audio VU9 & VU9 MINI Music Spectrum Visualizer User Manual

manwal

User manual for Douk Audio VU9 and VU9 MINI music spectrum visualizers, covering setup, operation, specifications, and troubleshooting for these LED audio display devices.

Douk Audio Q100 Audio AmpManwal ta 'l-Utent aktar ħaj

Manwal għall-Utent

Comprehensive user manual for the Douk Audio Q100 audio amplifier. This guide provides detailed information on setup, operation, specifications, and troubleshooting for the Q100 model.

One Little Bear MC104 PRO 4-way Analog Audio Switcher Box - Product Overview

Prodott Overview

Fuqview of the One Little Bear MC104 PRO 4-way Analog Audio Switcher Box by DOUK AUDIO. Features 4-IN-1-OUT and 1-IN-4-OUT audio selection with 3.5mm AUX interfaces, passive design, and independent…

Manwal tal-Utent tas-Swiċċer tal-Awdjo 2-Way ta' Douk Audio MC1023/MC1024/MC1024-BOX

Manwal għall-Utent

Comprehensive user manual for Douk Audio's MC1023, MC1024, and MC1024-BOX 2-way speaker and headphone audio switchers. Features include A/B input selection, volume control, and microphone muting. Details setup, parameters, and…

DOUK AUDIO AS1424 Analizzatur tal-Livell tal-Ħoss tal-MIC tal-Ispettru tal-Mużika LED - Gwida għall-Utent

Gwida għall-Utent

Gwida uffiċjali għall-utent għall-Analizzatur tal-Livell tal-Ħoss tal-MIC tal-Ispettru tal-Mużika LED DOUK AUDIO AS1424. Tgħallem kif tuża l-operazzjonijiet ewlenin tiegħu, tifhem il-konnessjonijiet, il-funzjonijiet tal-potenzjometru, view specifications, packing list,…

DOUK AUDIO M100 Bluetooth 5.0 USB DAC Amplifier - Manwal tal-Utent

Manwal għall-Utent

This user manual provides detailed information for the DOUK AUDIO M100, a compact Mini Bluetooth 5.0 Digital Amplifier with USB DAC, COAX/OPT inputs. It supports Home Audio applications, offers 24Bit/192K…

Douk Audio manuals from online retailers

Douk Audio A5 TPA3255 Stereo AmpManwal ta' Istruzzjoni lifier

A5 • 10 ta' Jannar, 2026

Comprehensive instruction manual for the Douk Audio A5 2-channel TPA3255 stereo amplifier, li jkopri s-setup, it-tħaddim, il-manutenzjoni, u l-ispeċifikazzjonijiet.

Douk Audio Little Bear T7 Vacuum Tube Phono PreampManwal ta 'l-Utent aktar ħaj

T7 • 6 ta' Jannar, 2026

Detailed instruction manual for the Douk Audio Little Bear T7 Vacuum Tube Phono Preamplifier, covering setup, operation, maintenance, and specifications for MM turntables and Hi-Fi audio systems.

Douk Audio ST-01 Plus TPA3255 Bluetooth AmpManwal ta 'l-Utent aktar ħaj

ST-01 Plus • January 5, 2026

Comprehensive instruction manual for the Douk Audio ST-01 Plus 2-Channel TPA3255 Bluetooth Amplifier, li jkopri s-setup, it-tħaddim, il-karatteristiċi, l-ispeċifikazzjonijiet, u s-soluzzjoni tal-problemi.

Douk Audio G3 PRO Bluetooth 5.0 Power Amplifier u Headphone AmpManwal ta 'l-Utent aktar ħaj

G3 PRO • 2 ta' Jannar, 2026

Comprehensive user manual for the Douk Audio G3 PRO, covering setup, operation, features, specifications, and troubleshooting for this Bluetooth 5.0 power amplifier u headphone ampaktar ħaj.

Nobsound Hi-Fi Bluetooth 5.0 Power AmpManwal ta 'l-Utent aktar ħaj

8541737967 • 30 ta' Diċembru, 2025

Instruction manual for the Nobsound Hi-Fi Bluetooth 5.0 Power Amplifier (Model 8541737967), covering setup, operation, maintenance, troubleshooting, and specifications.

Manwal tal-Utent tad-Douk Audio MC5-BX Mini Stereo 4-Channel Audio Mixer

MC5-BX • December 30, 2025

Manwal komprensiv għall-utent għad-Douk Audio MC5-BX Mini Stereo 4-Channel Audio Mixer, li jkopri s-setup, it-tħaddim, l-ispeċifikazzjonijiet, u s-soluzzjoni tal-problemi għall-modi attivi u passivi.

Nobsound NS-01G-MAX 2-Channel 200W Bluetooth AmpManwal ta 'l-Utent aktar ħaj

NS-01G-MAX • December 29, 2025

Comprehensive instruction manual for the Nobsound NS-01G-MAX 2-Channel 200W Bluetooth Ampli jkopri s-setup, it-tħaddim, il-manutenzjoni, is-soluzzjoni tal-problemi, u l-ispeċifikazzjonijiet għal prestazzjoni awdjo ottimali.

Douk Audio VFD253 Audio Spectrum Analyzer Bluetooth 5.0 Receiver Instruction Manual

VFD253 • December 27, 2025

Comprehensive instruction manual for the Douk Audio VFD253 Audio Spectrum Analyzer, Bluetooth 5.0 Receiver, and 3.5mm AUX Selector, covering setup, operation, features, and specifications.

Douk Audio P2 Mini Bluetooth 5.0 Vacuum Tube Preamp Manwal għall-Utent

P2 • 26 ta' Diċembru, 2025

Comprehensive user manual for the Douk Audio P2 Mini Bluetooth 5.0 Vacuum Tube Preamp, covering setup, operation, maintenance, and specifications for model 13c8a2a1-6a16-47e7-bce0-b249d4c562fa.

Douk Audio H2 HiFi Vacuum Tube Headphone AmpManwal ta 'l-Utent aktar ħaj

H2 • 25 ta' Diċembru, 2025

Comprehensive user manual for the Douk Audio H2 HiFi Vacuum Tube Headphone Amplifier, li jkopri s-setup, it-tħaddim, il-manutenzjoni, is-soluzzjoni tal-problemi, u l-ispeċifikazzjonijiet.

Nobsound NS-10G PRO Bluetooth 5.0 Power AmpManwal ta' Istruzzjoni lifier

NS-10G PRO • December 24, 2025

Instruction manual for the Nobsound NS-10G PRO Bluetooth 5.0 Power Amplifier, li jkopri s-setup, it-tħaddim, il-manutenzjoni, u l-ispeċifikazzjonijiet.

DoukAudio MC5-BX Mini 4-Channel Stereo Line Mixer User Manual

MC5-BX • December 23, 2025

Comprehensive instruction manual for the DoukAudio MC5-BX Mini 4-Channel Stereo Line Mixer, covering setup, operation, maintenance, troubleshooting, and specifications for optimal audio mixing.

Douk Audio NS-10G Mini Bluetooth 5.0 Digital Power AmpManwal ta 'l-Utent aktar ħaj

NS-10G • 27 ta' Diċembru, 2025

Comprehensive user manual for the Douk Audio NS-10G Mini Bluetooth 5.0 TPA3116 Digital Power Amplifikatur, inkluż is-setup, it-tħaddim, l-ispeċifikazzjonijiet, u s-soluzzjoni tal-problemi.

Douk Audio HiFi EQ9 9-Band Stereo EQ Preamp Manwal għall-Utent

EQ9 • 27 ta' Diċembru, 2025

Comprehensive instruction manual for the Douk Audio HiFi EQ9 9-Band Stereo EQ Preamp, covering setup, operation, maintenance, troubleshooting, and technical specifications for home and car audio systems.

Douk Audio VFD253 Audio Spectrum Analyzer User Manual

VFD253 • December 27, 2025

Comprehensive user manual for the Douk Audio VFD253 Audio Spectrum Analyzer, Bluetooth 5.0 Receiver, 3.5mm AUX Selector, and Home Desk Clock with Remote Control. Includes setup, operation, specifications,…

Douk Audio DAC-Q11 USB DAC Audio Adapter Instruction Manual

DAC-Q11 • December 25, 2025

Comprehensive instruction manual for the Douk Audio DAC-Q11 USB DAC, covering setup, operation, specifications, and troubleshooting for optimal audio performance.

Douk Audio U8 PRO HiFi USB 2.0 Isolator Instruction Manual

U8 PRO • December 22, 2025

Instruction manual for the Douk Audio U8 PRO HiFi USB 2.0 Isolator, designed to eliminate USB audio noise and ground loops for improved sound quality in DACs, digital…

Douk Audio NS-10G Mini Bluetooth 5.0 Digital Power AmpManwal ta 'l-Utent aktar ħaj

NS-10G • 20 ta' Diċembru, 2025

Comprehensive user manual for the Douk Audio NS-10G Mini Bluetooth 5.0 TPA3116 Digital Power Amplifikatur, inkluż is-setup, it-tħaddim, l-ispeċifikazzjonijiet, u s-soluzzjoni tal-problemi.

Nobsound VU3PRO Amplifier/Speaker Selector with VU Meter User Manual

VU3PRO • December 19, 2025

Instruction manual for the Nobsound VU3PRO, a 2-input, 2-output amplifier and speaker selector with integrated VU meters, remote control, and high power transmission capabilities.

Nobsound AK2515 VFD Audio Spectrum Analyzer User Manual

AK2515 • 17 ta' Diċembru, 2025

Comprehensive instruction manual for the Nobsound AK2515 VFD Audio Spectrum Analyzer, including setup, operation, specifications, and troubleshooting.

Douk Audio K5 ESS9038Q2M Audio Converter USB DAC DSD256 Headphone Amplifier SPDIF Decoder User Manual

K5 • 16 ta' Diċembru, 2025

Comprehensive instruction manual for the Douk Audio K5, a versatile audio converter, USB DAC, DSD256 headphone amplifier, and SPDIF decoder with 6.35mm and 3.5mm headphone jacks, featuring ESS9038Q2M…

Douk Audio M10 Mini Bluetooth 5.4 AmpManwal ta 'l-Utent aktar ħaj

M10 • 15 ta' Diċembru, 2025

Instruction manual for the Douk Audio M10 Mini Bluetooth 5.4 Amplifier, li jkopri s-setup, it-tħaddim, l-ispeċifikazzjonijiet, u s-soluzzjoni tal-problemi għal prestazzjoni awdjo ottimali.

Douk Audio DAC-T1 PRO Tube DAC Preamp Manwal għall-Utent

DAC-T1 PRO • December 13, 2025

Comprehensive user manual for the Douk Audio DAC-T1 PRO HiFi Bluetooth 5.0 Valve Tube Preamp, including setup, operation, specifications, and troubleshooting.

Douk Audio DAC-T2 HiFi Tube DAC Preamp Manwal ta' Istruzzjoni

DAC-T2 • December 13, 2025

Comprehensive instruction manual for the Douk Audio DAC-T2 HiFi Tube DAC Preamp, covering setup, operation, features, specifications, and troubleshooting for optimal audio performance.

Douk Audio video guides

Ara vidjows tas-setup, l-installazzjoni, u s-soluzzjoni tal-problemi għal din il-marka.

DOUK AUDIO MM Phono Tube Amplifier for Turntables with Bluetooth and Speaker Output

0:28 • 1280×720 • viżwali_fuqview

Douk Audio HiFi Pure Brass Turntable Platter Mat 2mm P for Vinyl LP Record Player

0:23 • 1920×1080 • viżwali_fuqview

Douk Audio T3 Plus Mini Vacuum Tube Stereo Preamp HiFi Phono Pre-Amplifier Fuqview

0:29 • 1280×720 • viżwali_fuqview

Douk Audio U8 HiFi DAC Headphone Amplifier with ES9038Q2M Bluetooth 5.0 Balanced Decoder

0:28 • 1280×720 • demo_tal-karatteristika

Douk Audio VU9 Pixie Tube Sound Level Meter & Retro Audio Spectrum Clock Demo

0:58 • 1920×1080 • demo_tal-karatteristika

Douk Audio CT1-BOX 8-Pin Dual Bias Current Probes Tester with VU Meter for Tube Ampliifikaturi

0:38 • 1920×1080 • demo_tal-karatteristika

DOUK AUDIO G3 PRO HiFi 2.1 Channel Bluetooth Digital Amplifier Setup & Demonstration

0:43 • 1280×720 • setup

DOUK AUDIO G4 PRO Digital Amplifier: Viżwali Fuqview & Gwida tas-Setup

1:16 • 1920×1080 • viżwali_fuqview

Douk Audio T4 Plus Mini Vacuum Tube Stereo Preamp with VU Meter for HiFi Audio

0:24 • 1280×720 • viżwali_fuqview

Douk Audio Manuals & User Guides

Douk Audio manuals

Douk Audio manuals from online retailers

DOUK AUDIO MM Phono Tube Amplifier for Turntables with Bluetooth and Speaker Output

Douk Audio HiFi Pure Brass Turntable Platter Mat 2mm P for Vinyl LP Record Player

Douk Audio T8 Tube Preamplifier with EQ and Balanced XLR Inputs/Outputs

Douk Audio G4 Mono Bass Power Amplifier | Full Frequency & Subwoofer Amp 100W

Douk Audio L3 3-Channel Stereo Audio Loop Switcher with VU Meter and RCA Inputs

Douk Audio T3 Plus Mini Vacuum Tube Stereo Preamp HiFi Phono Pre-Amplifier Fuqview

Douk Audio U8 HiFi DAC Headphone Amplifier with ES9038Q2M Bluetooth 5.0 Balanced Decoder

Douk Audio VU9 Pixie Tube Sound Level Meter & Retro Audio Spectrum Clock Demo

Douk Audio CT1-BOX 8-Pin Dual Bias Current Probes Tester with VU Meter for Tube Ampliifikaturi

DOUK AUDIO G3 PRO HiFi 2.1 Channel Bluetooth Digital Amplifier Setup & Demonstration

DOUK AUDIO G4 PRO Digital Amplifier: Viżwali Fuqview & Gwida tas-Setup

Douk Audio T4 Plus Mini Vacuum Tube Stereo Preamp with VU Meter for HiFi Audio