Unleash the full potential of your audio projects with the HW-408 TPA3116D2 High Power Double Channels DIY Digital Audio Power Amplifier Board. This advanced amplifier board is designed for audio enthusiasts and DIYers who demand high performance and reliability. Adopt TPA3116D2 Power Amplifier Chip: At the heart of this board is the TPA3116D2 power amplifier chip, a high-power stereo digital amplifier capable of driving 100W/2Ω speakers in mono mode. Experience powerful and clear sound output that brings your audio to life. Double Channels for Superior Efficiency: The HW-408 features double channels, ensuring efficient operation with an impressive efficiency rate of over 90%. This high efficiency translates to lower power loss, making it an ideal choice for energy-conscious users. Optimized Power Supply Requirements: Thanks to its feedback power stage architecture with high Power Supply Rejection Ratio (PSRR), this amplifier board reduces the demands on your power supply unit (PSU). Enjoy enhanced performance without the need for a high-capacity PSU. Comprehensive Protection Features: The integrated self-guard circuit offers robust protection, including overvoltage, undervoltage, overtemperature, DC detection, and short circuit protection. These features ensure the safety and longevity of your amplifier board. Enhanced Reliability with Quality Components: The module incorporates a large-capacity filter capacitor and a freewheeling guard diode, significantly improving the board's reliability. These components help stabilize performance and protect against potential electrical issues. Elevate your audio experience with the HW-408 TPA3116D2 High Power Double Channels DIY Digital Audio Power Amplifier Board. Its combination of high power, efficiency, and comprehensive protection makes it the perfect choice for anyone looking to build or upgrade their audio systems.