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Original Products

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Noise cancelling Microphone (Sample)
It is possible to talk under noisy circumstances.
Voice can be picked up at 2.5 cm away from the mouth in 1pa (94dB) noise.

Impedance:1.4kΩ30% at1kHz
Operating voltage:3V
Power consumption:600A MAX
Maximum input sound pressure level:122dB SPL

The front side of the microphone

The back side of the microphone

Frequency Characteristics

Black line: Microphone angle 0 deg
Red line: Microphone angle 90 deg
Pressure Sensitivity(Provisonal):-48dB4dB at1kHz (0dB=1V/0.5Pa)

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