Specifications:
Amplifier IC: TPA3255 chip
Input: 3.5MM stereo wired socket interface (3P)
Operating efficiency: > 90%
Output power:
315W/4Ω 1.5% distortion
185W/8Ω Distortion1.5%
260W/4Ω Distortion 1%
150W/8Ω Distortion 1%
Frequency Response: 20Hz to 20KHz
Dynamic Range: >100dB
Signal-to-noise ratio: (SNR) >111dB
Power supply: DC19 to DC50V (current recommended above 5A)
Overall size: 122*73*30mm

Features:
1. High-Quality Sound Performance
Powered by the TPA3255 Class D amplifier chip, this product delivers premium sound quality with ultra-low distortion and excellent dynamic range, suitable for demanding audio environments.
2. Efficient Power Consumption
With operating efficiency above 90% and idle loss under 2.5W, it provides reliable high-power output while minimizing energy consumption.
3. Robust Design with Optimal Heat Management
Equipped with precision-engineered heat sinks, the module ensures stable operation even during extended use, effectively preventing overheating or performance degradation.
4. Versatile Audio Applications
Supports a wide range of setups, making it ideal for industrial DIY project enthusiasts and professional audio installations alike.
5. Compact and Convenient
Measuring at just 122mm x 73mm x 30mm, this amplifier module offers powerful output without sacrificing portability or space efficiency.

Package Included:
1 x TPA3255 Hi-Fi Digital Amplifier Board