1. Purpose: Digital power amplifier board 2. Chip model: TPA3116 3. Input voltage: DC8-28V 4. Output impedance: 4-82 ohm 5. Output power: 2 x 120w 6. Size: 83x60x25mm 7. Weight: About 65g Instructions for use: 1. Connect the power input terminal to a DC8-28V power supply. The recommended power supply is DC24V with a current of 6A, and the output power can reach 120W per channel. 2. Connect the audio input terminal to the audio source, such as MP3, mobile phone, computer, etc.; it is recommended to connect the output terminal of the front power amplifier board 3. Two audio output terminals are connected to two speakers respectively Tips: We sincerely hope that you can leave your Comment and share your experience of using the product so that more friends can know about it