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Velleman VMA309: Microphone Sound Sensor Module for Arduino

Velleman VMA309

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Arduino® compatible microphone sound sensor module.

High sensitivity sound detection module with 2 outputs. ao - analog output, real-time output voltage signal of the microphone. do - the digital output depends on the sound intensity and the threshold that has been set..


  • voltage: 3.3 to 5 VDC
  • outputs: one analogue + one digital output
  • fixation: 1 mounting screw hole 3 mm
  • 2 indicator LEDS: 1 power indicator + 1 comparator output indicator
  • frequency response: 50 Hz - 20 KHz
  • impedance: 2.2 K Ohm
  • sensitivity: 48 - 66 dB
  • operating temperature: -40 to +85°C
  • size: 44 x 15 x 10 mm
  • weight: 4 g
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 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product