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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Hearing instrument receivers  (Search All Products)

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Model Id Series Dimensions Sens Port Loc. Resp. (DCR) Imp @ 1kHz Imp @ 500 Hz Ferro- fluid MPO 500 MPO Pk Vibration BRV (Damping)
CI-22746-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512C51 1750No 130143StandardUndamped
CI-22748-XXXCI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512C75 2500No 130143StandardUndamped
CI-22762-XXXCI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S51 1750No 130143StandardUndamped
CI-22764-XXXCI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S75 2500No 130143StandardUndamped
CI-22955-XXXCI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512C20 680No 130143StandardUndamped
CI-22960-XXXCI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512C100 4000No 130143StandardUndamped
CI-23818-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S51139127No130143StandardUndamped
CI-26697-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1252S20 680No 130143StandardUndamped
CI-26890-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512S20 680No 130143StandardUndamped
CI-28203-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512S75 2500No 130143StandardUndamped
CI-28204-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512S100 4000No 130143StandardUndamped
CI-28220-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512S20 680No 130143StandardUndamped
CI-28226-XXXCI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12511C75 2500No 130143StandardUndamped
CI-28267-XXXCI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1252S75 2500No 130143StandardUndamped
CI-28268-028CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512S51 1750No 130143StandardUndamped
CI-28329-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1252S51 1750No 130143StandardUndamped
CI-28348-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S278 10000No 130143StandardUndamped
CI-28352-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1252S20 680No 130143StandardUndamped
CI-28409-A42CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S100 4000No 130143StandardUndamped
CI-28417-A42CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S20 680No 130143StandardUndamped
CI-28434-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S24 1000No 130143StandardUndamped
CI-28487-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)1251S24 1000No 130143StandardUndamped
CI-28512-017CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12512C54.3 2000No 130143StandardUndamped
CI-28597-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)12511S20 680No 130143StandardUndamped
CI-30050-000CI9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in)125.51S9.2 4622No 130143StandardUndamped