Electret Microphone Amplifier - MAX4466 with Adjustable Gain

Electret microphone amplifier with a 20-20KHz electret microphone built in and MAX4466 op amp all in one package. Good for audio projects to add microphone input. Arduino Compatible.

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Last Updated: 06/13/2024




Add audio input to your arduino projects with this mic + amplifier board. Takes in sound via the onboard mic and amplifies it right on board!


  • Chipset: Max4466
  • Analog Output that can connect directly to an Arduino pin.
  • Takes in sound via the onboard mic and outputs amplified audio
  • Low output noise
  • Small package
  • High sensitivity
  • Adjustable gain: 25 to 125 (adjustable via onboard potentiometer you can turn with a screwdriver)
  • Operating voltage: 3V - 5V
  • Output Type: Analog
  • Size: 15 x 9mm
  • Arduino Compatible
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