Speaker

* Impedance: 32ohms +/- 20%

* Sensitivity: 108dB +/- 3dB

* Normal Input: 3mW

* Maximum Input: 10mW

* Frequency Range: 20Hz-28,000Hz

Microphone

* Impedance: 1.2K ohms

* Sensitivity: -62dB +/- 3dB

* Frequency Range: 50Hz-15,000Hz

* Directivity: Omni-Directional