Electret Microphone Amplifier - MAX9814 with Auto Gain Control

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!

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Availability: SHIPS TODAY

Last Updated: 05/30/2024





  • Chipset: Max9814
  • Takes in sound via the onboard mic and outputs amplified audio
  • Low output noise
  • Small package
  • High sensitivity
  • Default gain: 60dB (can also be adjusted to 40dB or 50dB by connecting the Gain pin to VCC or GND)
  • Default attack/release ratio: 1:4000 (can also be adjusted to 1:2000 or 1:500 by connecting the AR pin to VCC or GND)
  • 20-20KHz Electret Microphone onboard
  • Operating voltage: 3.3V
  • Output Type: Analog
  • Size: 25 x 9mm x 8mm high
  • Arduino Compatible (connect VCC pin on microphone to 3.3V, GND to GND and Out pin to A0)
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