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25LC128
SPM14 (4)SPM1 (37)SPM (576)
Knowles

SPM1437HM4H-B

100Hz ~ 10kHz Digital, PDM Microphone MEMS (Silicon) Omnidirectional (-22dB ±3dB @ 94dB SPL) Solder Pads
Knowles

SPM1423HM4H-B

100Hz ~ 10kHz Digital, PDM Microphone MEMS (Silicon) Omnidirectional (-22dB ±3dB @ 94dB SPL) Surface Mount
Knowles

SPM1423HM4H.B

100Hz ~ 10kHz Digital, PDM Microphone MEMS (Silicon) Omnidirectional (-22dB ±3dB @ 94dB SPL)
Knowles

SPM1437HM4H

10Hz ~ 10kHz Digital, PDM Microphone MEMS (Silicon) ()
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