
Douk Audio M5.1 Class D 5.1 Channel Integrated Amplifier
Key Features
- Working method: Class D 5:1 Channel
- Output power: Front: 50W + 50W Surround: 50W + 50W Center: 50W Subwoofer: 100W @4 Ohms
- Total Harmonic Distortion: 0.05%
- Dynamic Range ≥100dB
- Frequency response: 20Hz–20kHz
- Input: Bluetooth 5.0 /Optical /Coaxial /USB U-disk /RCA (2.0 & 5.1 channel)
Cash / Online Payment · EMI Available
Specification
Amplifier
Amplifier Class
Class D
Power Chip/IC
TPA Series
Output Impedance
4-8 Ohms
Input Voltage
12V-24V DC
Colour
Black
Description
Douk Audio M5.1 Class D 5.1 Channel Integrated Amplifier
The Douk Audio M5.1 Class D 5.1 Channel Integrated Amplifier is a compact yet powerful home theater amplifier designed for users who want immersive surround sound without the complexity of bulky AV receivers. Built with Class D amplification technology and flexible multi-input connectivity, it delivers a complete 5.1-channel audio experience suitable for movies, gaming, and music.
This amplifier is engineered for modern entertainment systems where space efficiency, connectivity options, and powerful output are equally important. Whether you are building a home theater setup or upgrading your existing sound system, the M5.1 provides a balanced combination of clarity, power, and versatility.
Powerful 5.1 Channel Surround Sound System
The Douk Audio M5.1 is designed as a true 5.1-channel amplifier, giving users a cinematic surround sound experience at home.
Channel Configuration
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Front channels: 50W + 50W
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Surround channels: 50W + 50W
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Center channel: 50W
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Subwoofer channel: 50W
Benefits of 5.1 Sound
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Immersive surround sound experience
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Clear dialogue through center channel
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Deep bass response for movies and music
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Directional audio for gaming and films
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Balanced multi-speaker output
This setup makes it ideal for home theater enthusiasts who want a full cinematic experience.
High-Performance Class D Amplification
The M5.1 uses efficient Class D amplification technology, ensuring high output power with minimal energy loss.
Key Features
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High-efficiency Class D amplifier design
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Low heat generation
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Stable power delivery across all channels
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Compact internal architecture
Audio Benefits
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Strong and clean sound output
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Reduced distortion at higher volumes
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Energy-efficient operation
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Reliable long-term performance
This ensures consistent sound quality even during extended use.
Multiple Audio Input Options
The M5.1 supports a wide range of input sources, making it highly versatile for different entertainment setups.
Input Interfaces
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Bluetooth 5.0
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Coaxial input
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Optical input
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USB U-disk playback
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2.0 channel RCA input
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5.1 channel RCA input
Benefits
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Easy connection with TVs and PCs
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Wireless music streaming support
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Compatibility with DVD players and media devices
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Flexible home theater integration
This wide compatibility makes it suitable for almost any audio system.
Wireless Bluetooth 5.0 Connectivity
The built-in Bluetooth 5.0 system allows seamless wireless audio streaming.
Bluetooth Features
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Stable Bluetooth 5.0 connection
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High-quality stereo streaming
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Low latency transmission
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Easy pairing with smartphones and tablets
Benefits
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Wireless music playback convenience
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Reduced cable clutter
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Stable long-distance connection
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Smooth audio performance
This makes it ideal for modern smart home setups.
High-Resolution Digital Audio Support
The M5.1 supports multiple digital formats for high-quality playback.
Supported Formats
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MP3
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WAV
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APE
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FLAC
Sampling Rates
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U-disk: 16Bit / 44.1–48KHz
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Bluetooth: 16Bit / 44.1–48KHz
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Coaxial: 16–24Bit / 44.1–192KHz
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Optical: 16–24Bit / 44.1–192KHz
Audio Benefits
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High-resolution sound reproduction
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Lossless audio compatibility
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Clear and detailed playback
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Professional-grade audio performance
This ensures audiophile-level sound quality across all sources.
Strong Bass Performance and Subwoofer Support
The M5.1 is designed to deliver powerful low-frequency output through its dedicated bass channel.
Bass Features
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Dedicated subwoofer output
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Bass frequency range: 40Hz–160Hz
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Independent bass channel control
Benefits
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Deep and impactful bass
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Enhanced movie effects
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Rich low-frequency music reproduction
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Compatible with active subwoofers
This improves the cinematic experience significantly.
Balanced Audio Performance
The amplifier ensures balanced sound across all channels.
Audio Specifications
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Frequency response: 20Hz–20kHz (±1.5dB)
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THD: 0.05% @ 1kHz
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Signal-to-noise ratio: ≥100dB
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Input sensitivity: 0.775V
Benefits
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Clear and natural sound output
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Minimal distortion
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High dynamic range
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Accurate sound reproduction
This ensures professional-grade audio clarity.
Bass and Treble Customization
The M5.1 includes tone control features for personalized sound tuning.
Tone Adjustment
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Bass control: ±6dB
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Treble control: ±6dB
Benefits
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Custom sound tuning for different content
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Enhanced listening experience
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Better music and movie balance
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User-friendly sound adjustment
This allows users to fine-tune their audio preferences.
Compact and Space-Saving Design
Despite its 5.1-channel capability, the M5.1 remains compact and lightweight.
Physical Specifications
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Dimensions: 230 × 130 × 49 mm
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Net weight: 1.19 kg
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Package weight: 1.8 kg
Benefits
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Easy placement in small spaces
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Lightweight and portable
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Modern slim design
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Suitable for desktop or TV setups
This makes it ideal for modern home environments.
Easy Installation and User-Friendly Operation
The M5.1 is designed for simple setup and easy operation.
Features
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Plug-and-play connectivity
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Clearly labeled ports
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Simple control interface
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Compatible with multiple devices
Benefits
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Quick installation
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Beginner-friendly setup
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No technical expertise required
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Smooth user experience
This ensures hassle-free operation for all users.
Ideal Applications of Douk Audio M5.1
The M5.1 is suitable for a wide range of entertainment scenarios.
Home Theater System
Perfect for immersive movie watching experience.
Gaming Setup
Enhances directional sound for gaming performance.
Music Listening
Delivers balanced multi-channel music output.
TV Audio Upgrade
Improves built-in TV speaker performance significantly.
Why Choose Douk Audio M5.1
The M5.1 stands out as an affordable yet powerful 5.1-channel amplifier.
Key Features Summary
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True 5.1 channel surround sound
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Multiple input options (Bluetooth, Optical, Coaxial, RCA, USB)
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High-resolution audio support
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Dedicated subwoofer channel
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Compact and lightweight design
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Low distortion performance
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Wide compatibility with devices
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Easy setup and operation
This makes it a complete home theater solution for modern users.
Audio Phonic Quality Assurance
Audio Phonic ensures that every product delivers reliable performance, durability, and high-fidelity sound. The Douk Audio M5.1 reflects this commitment by combining surround sound capability, modern connectivity, and compact design into one powerful system.
Technical Specifications of Douk Audio M5.1
General Information
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Brand: Douk Audio (Nobsound series)
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Model: M5.1
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Channel: 5.1
Output Power
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Front: 50W + 50W
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Surround: 50W + 50W
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Center: 50W
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Subwoofer: 50W
Inputs
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Bluetooth 5.0
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Optical
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Coaxial
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USB U-disk
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RCA (2.0 & 5.1 channel)
Audio Performance
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SNR: ≥100dB
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THD: 0.05%
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Frequency response: 20Hz–20kHz
Power
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DC 15–24V input
Design
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Compact aluminum body
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Lightweight structure
Frequently Asked Questions (FAQs)
What is the Douk Audio M5.1 used for?
It is used for home theater, gaming, and surround sound music systems.
Does it support Bluetooth?
Yes, it supports Bluetooth 5.0 for wireless audio streaming.
Can it connect to a TV?
Yes, it supports optical and coaxial input for TVs.
Does it support subwoofer?
Yes, it has a dedicated bass channel for subwoofer connection.
Is it good for gaming?
Yes, its 5.1 surround sound improves gaming audio experience.
What speakers are compatible?
It supports standard passive speakers for home theater setups.
Is installation easy?
Yes, it has simple plug-and-play connectivity.
Does it support high-resolution audio?
Yes, it supports up to 24-bit/192kHz via coaxial and optical input.

















