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25LC128
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-21751-000

100Hz ~ 4.2kHz Analog Microphone Electret Condenser 1.3V (-61.5dB ±1.5dB @ 74dB SPL) Solder Pads
Knowles

BT-21754-000

100Hz ~ 4.7kHz Analog Microphone Electret Condenser 1.3V (-59.5dB ±3dB @ 74dB SPL) Solder Pads
Knowles

BT-21755-000

100Hz ~ 4.7kHz Analog Microphone Electret Condenser 1.3V (-59.5dB ±3dB @ 74dB SPL) Solder Pads
Knowles

BT-21752-000

100Hz ~ 4.2kHz Analog Microphone Electret Condenser 1.3V (-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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