Microphone: Condenser Type

* Impedance: Low Impedance

* Sensitivity: -64 dB +/- 2dB

* Max Output Voltage: 10V

* Operating Voltage: 4.5V

* Frequency Range: 30Hz-16,000Hz

Receiver: Micro Dynamic Range

* Impedance: 8 ohms +/- 15%

* Sensitivity: 83 dB +/- 3dB

* Operation Test: 0.1W - 0.2W

* Frequency Range: 8KHz