1. On-board TDA2030A audio power amplifier chip.
2. Mono 18 w power amplifier circuit design.
3. On-board speaker terminal block
4 On-board 10k adjustable resistance, can adjust the volume of the amplification.
5. On-board power light.
6. Chip has lead to the main pin, can directly input audio signal.
7. Working voltage: 6 -12 v.
8. Board size: 31.6 (mm) x23.2 (mm).
5 x TDA2030A Audio Amplifier Module