The HW-710 is a high-performance Class D stereo amplifier board built around the TPA3116D2 chipset. It is designed to provide high-fidelity audio with high power efficiency, making it ideal for compact DIY speaker builds and home audio systems.

Specifications

• Amplifier Chip: TPA3116D2 (or equivalent CS3835E0)
• Operating Voltage: DC 12V to 24V 
• Output Power: 50W x 2 (Stereo) 
• Channel Count: Dual Channel (Stereo) 
• Frequency Response: 20Hz to 20kHz
• Signal to Noise Ratio: 100dB
• Total Harmonic Distortion (THD): <0>
• Channel Separation: ≥80dB
• Input Sensitivity: 0.775V
• Impedance: 4-8 ohms (per channel)
• Efficiency: Greater than 90%

Features

• Equivalent IC Support: Some versions of this module may feature the CS3835E0 chip, which is a functional equivalent to the TPA3116D2, offering comparable performance and reliability.
• High Efficiency: The Class D architecture ensures minimal heat generation, allowing the module to deliver high power from a small footprint without the need for large external heatsinks. 
• Advanced Modulation: Features a 1.2MHz switching frequency, which helps prevent AM interference and ensures clean audio output. 
• Integrated Protection: Equipped with internal circuitry to protect against overvoltage, undervoltage, overheating, DC detection, and short circuits.
• Compact SMD Design: The HW-710 uses a high-density surface-mount layout, making it one of the smallest TPA3116D2-based modules available for space-constrained projects.
• Low Noise Floor: Designed to provide a high signal-to-noise ratio, resulting in clear, hiss-free audio even at lower volume levels.
• Wide Power Range: Flexible power requirements (5V to 24V) allow it to be powered by anything from a small battery pack to a high-current laptop adapter. 

Common Applications

• Building custom portable Bluetooth or wired stereo speakers.
• Audio amplification for compact desktop or bookshelf speakers.
• Sound systems for arcade cabinets and DIY digital kiosks.
• Upgrading integrated audio in small television or monitor setups.