Sensitivity:                -30 ~ -40dB (0dB=1v/μbar @ 1KHz)

Impedance:              less than 2.2K ohms

Directivity:                Omni-directional

Frequency:               20-16KHz

Max. Voltage:           10V

Rated Voltage:          4.5V

Current consumption: Max. 0.5mA

Sensitivity reduction:  within -3dB at 3V

S/N ratio:                more than 60dB