Model KWCM-G032C Sensitivity -38~ -44dB ( f= 1K Hz, Pin= 1Pa ) Output Impedance Less than 2.2 K© ( f= 1K Hz, Pin= 1Pa ) Directivity Omni-Directional Current Consumption Less than 0.5mA S/ N ratio more than 60dB ( f= 1K Hz, Pin= 1Pa , A Curve ) Decreasing Voltage Characteristic -3 dB at 2.5V’ 1.1V ( f= 1K Hz, Pin= 1Pa )