| Brand | Niqen |
|---|
Check the listing for details. GY-MAX4466 Microphone Amplifier Adjustable Gain Module Board For Arduino. Condition: New. Listed at 7.98 USD. For the amplification, we use the Maxim MAX4466, an op-amp specifically designed for this delicate task! Connect GND to ground, VCC to 2.4-5VDC. Add an ear to your project with this well-designed electret microphone amplifier.