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25LC128
BT-21759 (2)BT-2175 (6)BT-21 (13)BT-2 (46)
Knowles

BT-21759-000

100Hz ~ 10kHz Analog Microphone Electret Condenser 1.3V Omnidirectional (-60dB ±3dB @ 74dB SPL) Solder Pads
Knowles

BT-21759-134

100Hz ~ 10kHz Analog Microphone Electret Condenser 1.3V (-60dB ±3dB @ 74dB SPL) Solder Pads
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