New waterproof MEMS microphone carries IPX7 rating

6th September 2023
Sheryl Miles

CUI Devices’ Audio Group has announced a new waterproof MEMS microphone that is ideal for harsh environments.

The CMM-3424DT-26165-TR MEMS microphone carries an IPX7 waterproof rating for applications where moisture and liquid ingress are a concern. Housed in a compact, surface mount package measuring 4 x 3 x 1mm, this waterproof MEMS microphone features a digital PDM output and top port location.  

This MEMS microphone offers designers flexibility, with a 100 to 10,000Hz operating frequency range and operating temperature range from –40 to 100°C. The CMM-3424DT-26165-TR further features omnidirectional directivity, a –26 dB sensitivity rating, tight sensitivity tolerance of ±1dB, and a signal-to-noise ratio of 65dBA. The model is also reflow solder compatible.  

The CMM-3424DT-26165-TR is available immediately with prices starting at $1.82 per unit at 1,000 pieces through distribution. Contact CUI Devices for OEM pricing.


  • Product name: CMM-3424DT-26165-TR
  • Availability: Stock to 15 weeks
  • Possible users: Applications subject to moisture and liquid ingress
  • Primary features: IPX7 rating, digital PDM output
  • Cost: $1.82 per unit at 1,000 pieces through distribution

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