Product Description

TPA3255 6 Channel 5.1 Surround Class D Digital Amplifier Board | 300W×6 HiFi Audio Power Amp

Build your own professional 5.1 surround home theater with our high-performance TPA3255 6-channel digital amplifier board. Adopting three original TPA3255 Class D chips, this audio module delivers powerful clean sound for DIY audio enthusiasts, home cinema projects and custom speaker systems.

Outstanding Sound & Power Performance

• Max output power: 300W per channel at 4Ω impedance, 150W per channel at 8Ω

• Ultra-low distortion rate only 0.01% + 100dB high signal-to-noise ratio

• Full frequency coverage from 20Hz to 20kHz, rich detail for music and movie soundtracks

• Supports all 10W–300W 4Ω / 8Ω passive speakers for complete surround experience

Reliable Power Supply & Full Safety Protection

User-Friendly Wiring & Heat Dissipation Design

• Standard 2.54mm pitch 8-pin single-ended audio input header

• Dedicated 12V 100mA DC fan interface for active cooling during long play sessions

• Compact 260×130×45mm body, easy to install inside custom audio enclosures

Critical Operating Guidelines (Must Read Before Use)

1. Only compatible with passive speakers. Active speakers, active subwoofers and constant-voltage speakers are prohibited.

2. Do not supply voltage over 48V. Reversing power positive and negative poles will permanently destroy internal components.

3. Incorrect audio input polarity will create heavy noise; verify wiring before powering on.

4. Keep away from humid, damp spaces. Do not place the powered amplifier directly on any metal surface.

Full Technical Specifications

Applicable Scenarios

DIY 5.1 home theater system, custom desktop surround audio, multi-room speaker amplifier, professional studio audio modification, living room movie sound system