- Onboard TDA2030A audio power amplifier chip.
- Mono 18w power amplifier circuit design.
- Socket onboard horn .
- The onboard 10 k adjustable resistance, can adjust the volume of the amplification.
- The onboard power light.
- Chip has lead to the main pin, can directly input audio signal.
- Working voltage: 6-12V.
- Speker : 4ohom / 8ohom -10W
- Board size: 32*24(mm).