Sensitivity:                -42 ~ -54dB (0dB=1v/μbar @ 1KHz)

Impedance:              680-30% ohms

Directivity:                Uni-directional

Frequency:               20-16KHz

Max. Voltage:           10V

Rated Voltage:          1.5V

Current consumption: Max. 0.5mA

Sensitivity reduction:  within -3dB at 1.5V

S/N ratio:                more than 58dB