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Omnidirectional/Cardioid compatible water proof Microphone (Sample)
It is possible to change microphone type (Omnidirectional/Cardioid) by single touch.
Dust & Water proof performance:IP67 equivalent

Impedance:1.4kΩ±30% at1kHz
Operating voltage:3V
Power consumption:600µA MAX
Maximum input sound pressure level:122dB SPL

Cardioid microphone
Back lid to be removed.

Omnidirectional microphone
Back lid to be installed.

Frequency Characteristics /Cardioid microphone

Black line: Microphone angle 0 deg
Red line: Microphone angle 90 deg
Pressure Sensitivity(Provisonal):-41dB±4dB at1kHz (0dB=1V/0.5Pa)

Frequency Characteristics /Omnidirectional microphone

Pressure Sensitivity(Provisonal):-37dB±4dB at1kHz (0dB=1V/0.5Pa)


2020.10.19
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