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Arduino microphone
Arduino microphone, SPH0655LM4H-1

PDM Ultrasonic Microphone Sensor Knowles SPH0655LM4H-1


Regular price $7.50 $0.00
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The RAK18032 is a mono PDM microphone module based on the Knowles SPH0655LM4H-1 which extends the WisBlock system with sound sensing capability.

The RAK18032 is a digital microphone module that converts analog audio to digital PDM signals. It supports left and right channels through a GPIO signal.

The RAK18032 can be used in applications such as audio sensing and audio recording.


  • PDM microphone
  • Frequency Response 20 - 80kHz
  • Low Distortion of 0.2% at 94dB SPL
  • 64 dB(A) signal-to-noise ratio
  • Omnidirectional sensitivity
  • Size 15mmx 25mm

Package Inclusion

  • 1 pc RAK18032
  • 3 pc M1.2x4 Screw


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