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PDM Microphone Sensor 20-20kHz Knowles SPK0641HT4H-1


Regular price $6.90 $0.00
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The RAK18030 is a mono PDM microphone module based on the Knowles SPK0641HT4H-1 which extends the WisBlock system with sound sensing capability.

The RAK18030 is a digital microphone module that converts analog audio to digital PDM signals. It supports left and right channels through a GPIO signal.

The RAK18030 can be used in applications such as audio sensing, audio recording and voice control.


  • PDM microphone
  • Flat Frequency Response 20 - 20kHz
  • Low Distortion of 2.2% at 115dB SPL
  • 5dB(A) signal-to-noise ratio
  • Omnidirectional sensitivity
  • Size 15mmx 25mm

Package Inclusion

  • 1 pc RAK18030
  • 3 pc M1.2x4 Screw


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