25LC128
BW-217 (2)BW-21 (4)

Knowles

BW-21789-000

100Hz ~ 4kHz Analog Microphone Electret Condenser 1.3V Noise Cancelling (-55dB ±4dB @ 74dB SPL) Solder Pads
Knowles

BW-21784-000

300Hz ~ 4.3kHz Analog Microphone 1.3V (-60dB ±3dB @ 74dB SPL) Solder Pads

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