Dimensions: 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)

Technical Bulletins

Application Notes

KA & KE Receivers

CI Series Receivers

Knowles' largest and most powerful receiver. With its high efficiency and a 143dB SPL maximum output, the CI receiver provides high acoustic power.

Features

  • 143dB SPL maximum output
  • Undamped response
  • Two and Three-terminal electrical connection
  • Various port locations
  • Wide range of coil impedances

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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
CI-22748-XXX9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512C2500No 130143
CI-22762-XXX9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S1750No 130143
CI-22955-XXX9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512C680No 130143
CI-22960-XXX9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512C4000No 130143
CI-28487-0009.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S1000No 130143
CI-28597-0009.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12511S680No 130143