Dimensions: 8.38mm x 16.64mm (.330in x .655in)

Technical Bulletins

Application Notes

KA Speakers

CM Series Speakers

Knowles balanced-armature, magnetic technology to give high efficiency, stability and reliability. High acoustic efficiency enables sufficient sound output even when limited power is available.

Features

  • Built-in static protection
  • Lightweight, matt-black, plastic housing
  • Ergonomically designed with rounded edge to fit the concha
  • High-quality sound output
  • Tailored bandwidth for superb speech intelligibility
  • Rugged construction
  • Various impedances
  • Flexi-circuit or wire lead-out options
  • Can be modified to function as a microphone

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Subminiature speakers  (Search All Products)

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Model Id Dimensions Sensitivity Port Location Imp @ 1kHz Imp @ 500 Hz Ferrofluid MPO 500 MPO Pk
CM-23152-0008.38mm x 16.64mm (.330in x .655in)10312C/Face 150 111116
CM-23299-0008.38mm x 16.64mm (.330in x .655in)103Face 150 111116
CM-28421-0008.38mm x 16.64mm (.330in x .655in)10312C/Face 360 111116
CM-28431-0008.38mm x 16.64mm (.330in x .655in)10312C/Face30150 111116
CM-28452-0008.38mm x 16.64mm (.330in x .655in)203Face3601180 111116