ماژول آمپلی فایر صوتی 18W با تراشه TDA2030A Specification  Onboard TDA2030A  audio amplifier chip  Mono 18W amplifier circuit design  The onboard speaker terminal blocks  Onboard  10K adjustable resistance you can adjust the volume amplified  Onboard power indicator  Major pin of the chip has led can be directly input audio signal  Operating voltage 6  12V  Board size 32 mm x 24 mm x 25 mm  L x W x H