Microphone parameter
Microphone type: Cardioid directional electret
Sensitivity: -46 dBV/Pa
Frequency response: 50 ~ 20000 Hz
Input impedance: 2 kΩ
Directivity 0°/180°: > 20 dB (1 kHz)
Equivalent noise: 20 dBA (SPL)
Maximum sound pressure level: 125 dB (THD<3%)