Element : Back Electret Condenser
Polar Pattern : Omni-directional
Frequency Response : 50Hz - 16kHz
Sensitivity : -45dB +/- 3dB (0dB=1V/Pa at 1kHz)
Output Impedance : 1000 Ohm +/- 30% (at 1kHz)
Operating Voltage : 1.5V