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