The P8406 Digital Amplifier Module is a mini Class D stereo amplifier board capable of delivering 5W + 5W output with a 5V supply, making it suitable for driving 4Ω and 8Ω speakers. It features excellent noise suppression, ensuring quiet operation even without an input signal, and includes independent left and right channel volume adjustment. Designed with a unique non-LC filter architecture, it can be powered directly from a computer USB port. Dual-panel wiring minimizes ground potential imbalance and channel crosstalk, while its ultra-compact size allows easy integration into small digital products. Built with high-efficiency amplification and machine-soldered construction, it ensures reliable performance and long-lasting durability.