HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4

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79,99

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Price: $79.99
(as of May 26,2022 17:22:09 UTC – Details)



Product Description

douk audio m4 bluetooth amplifierdouk audio m4 bluetooth amplifier

Support Bluetooth 5.0 Input

Support Bluetooth 5.0 Input

With A Toggle To Switch Among Bluetooth / U-Disk / RCA Inputs

HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4

4 independent volume control for each output channel

4 independent volume control for each output channel

CH3 and CH4 can be switched to achieve different demands (4-CH amplifier / multi-room music system)

CH3 and CH4 can be switched to achieve different demands (4-CH amplifier / multi-room music system)

Support Bluetooth 5.0 input for better transmission stability and quality

With a toggle to switch among Bluetooth / U-Disk / RCA inputs

4 independent volume control for each output channel

CH3 and CH4 can be switched to achieve 4-CH amplifier / multi-room music system

Douk Audio M4Douk Audio M4

Packing ListPacking List Packing List 1*M4 Amplifier 1*24V/4.5A Power Supply 1 Set*Raw Cable Speaker Jacks 1*Manual

Douk Audio M4

Parameters

Channel: 2.0 / 4.0Bluetooth version: 5.0Speaker impedance: 4-8ΩMax output power: 50W*4 (4Ω load)SNR: ≥98dBInput sensitivity: 0.775VTHD: 0.05%(1kHz 1W)Frequency Response: 20Hz-20KHz(±3dB)Working voltage: DC 12-24V
Model: Douk Audio M4 Audio input: Bluetooth/Stereo RCA/U-disk Audio output: speaker sockets U-disk support format: MP3, WMA, APE, FLAC, WAV… U-disk capacity: max 32G Dimensions(W*D*H): 128*134*33mm / 5.04*5.28*1.30in Net weight: 540g / 1.19lb Package weight: 1100g / 2.43lb

Panel Introduction

Panel IntroductionPanel Introduction

Using Guide

Using GuideUsing Guide

Type
Bluetooth Amplifier Bluetooth Amplifier Bluetooth Amplifier Bluetooth Amplifier Bluetooth Amplifier Bluetooth Amplifier
Max Power
50W x 4 50W x 2 + 100W SUB 50W x 5 + 100W SUB 45W x 4 50W x 2 50W x 2
Channel
2.0/4.0 2.1 (2.2) 5.1 4.0 2 2.0
Input
Bluetooth 5.0 + RCA + 3.5mm AUX + U-disk Bluetooth 5.0 + RCA + U-disk 3 RCA Bluetooth + RCA + U-Disk + SD + FM Bluetooth 5.0 + 3.5mm AUX Bluetooth 5.0 + 3.5mm AUX + USB
Output
4 Passive Speakers / 2 Passive Speakers + Another M4 Amp Stereo Passive Speakers + Passive & Active Subwoofer 5 Passive Speakers + Passive Subwoofer 4 Passive Speakers Stereo Passive Speakers Stereo Passive Speakers
Tone Control

THD
≤0.05% ≤0.05% ≤0.04% ≤0.04% ≤0.04% ≤0.04%
SNR
≥98dB ≥98dB ≥98dB ≥80dB ≥98dB ≥98dB
Speaker Impedance
4~8ohm 4~8ohm 4~8ohm 4~8ohm 2~8ohm 4~8ohm
Power Supply
24V 4.5A 24V 4.5A 19V 4.74A 12V 5A 19V 4.74A 12V 5A

Type
Bluetooth Tube Preamp & Headphone Amplifier Bluetooth Tube MM Phono Amplifier (320W) Subwoofer / Mono Channel Amplifier (100W) MM Phono Vacuum Tube Preamplifier 4(1)-IN-1(4)-OUT 3.5mm AUX Audio Switch IPS Nixie Tube Clock

One group of stereo RCA (CH3 and CH4) can be used as audio input or output by switching the selector, to acheive different demands
Supporting wired 2 groups of stereo RCA and wireless Bluetooth 5.0 input, compatible with most common audio device such as phones, computers, TVs, MP3, TV, CD players etc. With U-disk input, it can be used as a digital music player, supporting MP3, WAV, APE, FLAC and WMA lossless formats.
With 4 groups of speaker sockets output, they can output at the same time and each channel with independent volume control. Its max output power can reach 50W×4, and equipped with high-quality 24V/4.5A power supply, enough to drive most home speakers.
Reasonable circuit layout, concise wiring and high-quality components to ensure HiFi clear sound and long time stable work. Separate design of small and large signal circuit for better circuit protection. Unique Bluetooth design without any external antenna, very practical and beautiful.
Propersize with exquisite appearance, aluminum alloy case is CNC machined and with anodizing process, more fashionable and durable, very suitable for home, office and desktop audio system use.

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HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4
HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4

79,99

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