MAX9814 Electret Mikrofon Verstärker Modul Auto Gain Control für Arduino
2,79 €
Automatic gain, selectable max from 40dB, 50dB or 60dB. Best price, Good quality. Output: 2Vpp on 1.25V bias. Frequency Response: 20Hz - 20 KHz. Programmable Attack and Release Ratio. Transistors, and so on.
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