New Hot DC 5V-12V Electret Microphone Power Amplifier Board LM386 Gain 200 Times MIC Amp Operating Voltage: DC 4V-12V
USD 0.67USD 1.04
New Hot DC 5V-12V Electret Microphone Power Amplifier Board LM386 Gain 200 Times MIC Amp Operating Voltage: DC 4V-12V