CI series

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

Features

CI series
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Product Families Model ID Dimensions Sensitivity Port Loc. Resp. (DCR) Imp @ 1kHz Imp @ 500 Hz Ferrofluid MPO 500 MPO Pk Vibration BRV (Damping) Downloads
CI CI-22746-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12C 51 175 0 No 130 143 Standard Undamped
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(127.27 kB)

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(632.06 kB)

CI CI-22748-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12C 75 250 0 No 130 143 Standard Undamped
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(128.87 kB)

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(632.06 kB)

CI CI-22762-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 1S 51 175 0 No 130 143 Standard Undamped
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(136.61 kB)

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(841.32 kB)

CI CI-22764-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 1S 75 250 0 No 130 143 Standard Undamped
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(131.43 kB)

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(841.32 kB)

CI CI-22955-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12C 20 68 0 No 130 143 Standard Undamped
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(130.81 kB)

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(632.06 kB)

CI CI-22960-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12C 100 400 0 No 130 143 Standard Undamped
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(128.84 kB)

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(632.06 kB)

CI CI-23818-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 1S 51 139 127 No 130 143 Standard Undamped
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(133.66 kB)

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(796.14 kB)

CI CI-26697-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 2S 20 68 0 No 130 143 Standard Undamped
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(189.27 kB)

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(766.13 kB)

CI CI-26890-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12S 20 68 0 No 130 143 Standard Undamped
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(140.63 kB)

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(1.62 MB)

CI CI-28203-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12S 75 250 0 No 130 143 Standard Undamped
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(134.80 kB)

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(1.73 MB)

CI CI-28204-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12S 100 400 0 No 130 143 Standard Undamped
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(134.60 kB)

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(1.73 MB)

CI CI-28220-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12S 20 68 0 No 130 143 Standard Undamped
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(134.53 kB)

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(1.73 MB)

CI CI-28226-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 11C 75 250 0 No 130 143 Standard Undamped
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(638.86 kB)

CI CI-28267-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 2S 75 250 0 No 130 143 Standard Undamped
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(190.51 kB)

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(1.79 MB)

CI CI-28268-028 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12S 51 175 0 No 130 143 Standard Undamped
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(146.15 kB)

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(1.73 MB)

CI CI-28329-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 2S 51 175 0 No 130 143 Standard Undamped
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(190.65 kB)

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(811.23 kB)

CI CI-28348-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 1S 278 1000 0 No 130 143 Standard Undamped
CI CI-28352-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 2S 20 68 0 No 130 143 Standard Undamped
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(188.85 kB)

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(766.13 kB)

CI CI-28409-A42 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 1S 100 400 0 No 130 143 Standard Undamped
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(140.30 kB)

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(796.14 kB)

CI CI-28417-A42 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 1S 20 68 0 No 130 143 Standard Undamped
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(139.54 kB)

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(796.14 kB)

CI CI-28434-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 1S 24 100 0 No 130 143 Standard Undamped
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(137.78 kB)

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(796.14 kB)

CI CI-28487-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 1S 24 100 0 No 130 143 Standard Undamped
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(139.97 kB)

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(841.32 kB)

CI CI-28512-017 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 12C 54.3 200 0 No 130 143 Standard Undamped
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(136.05 kB)

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(632.06 kB)

CI CI-28597-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125 11S 20 68 0 No 130 143 Standard Undamped
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(133.07 kB)

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(809.09 kB)

CI CI-30050-000 9.47mm x 7.18mm x 4.10mm (.373in x .283in x .162in) 125.5 1S 9.2 46 22 No 130 143 Standard Undamped
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(146.45 kB)

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(1.77 MB)