Free field IEPE microphone with preamplifier and
pre-polarized microphone capsule

MP40
1/2" IEPE Microphone

Sensitivity 50 mV/Pa
IEPE constant current supply 2-20 mA
Polar pattern: omnidirectional
Frequency response: 3.5 Hz – 20 kHz
3.5 Hz – 4 kHz: ± 0.5 dB
4 kHz – 20 kHz: ± 1.5 dB
Acoustic noise floor 18 dB A-weighted
Measuring range 18 dB(A) to SPL peak (5% dist.) 146 dB