Description
onboard lm386 chip; 200 times gain circuit design; onboard speaker terminal block; onboard 10k adjustable resistor, you can adjust the volume of amplification; onboard power indicator.
$11.06
onboard lm386 chip; 200 times gain circuit design; onboard speaker terminal block; onboard 10k adjustable resistor, you can adjust the volume of amplification; onboard power indicator.
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