Onboard TDA2030A audio power amplifier chip.
Single channel 18W power amplifier circuit design.
Onboard the loudspeaker wiring seat.
Onboard 10K adjustable resistor, can adjust the enlarged volume.
Onboard power indicator.
Chip was marked, the audio signal can be inputed directly.
Working voltage: 6 ~ 12V.
Board size: 31.6 (mm) x23.2 (mm).