6-channel input and output, designed as a pure power amplifier for enhanced audio performance. Highly sensitive input allows direct connection to various devices such as computers, sound cards, decoders, and DVD players, ensuring versatility in use. Constructed with 4 pieces of TPA3116, premium electrolytic coupling, and shielding inductor for low-pass filtering, providing superior sound quality. Power on/off controlled by a circuit to popping sounds, with an option for an external control switch and LED indicator interface. Utilizes pure copper with large terminal holes for convenient wiring, ensuring safe and reliable connections. This amplifier is ideal for home audio-visual environments and car speaker modifications. It operates on a DC power supply of 12-24V and delivers a maximum output power of 50W for 4 channels (main cabinet and surround sound) and 100W for 2 channels (center and ). The design prioritizes ease of use and noise reduction, making it a great addition to any audio setup. Color: As Shown Material: PCB Package Contents: 1 Amplifier Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.