Sensitivity:	-54 dB +/- 4dB (0dB = 1V/Pa, 1KHz)
Frequency Response :	100- 10,000Hz
Directivity :	Noise Cancelling
Output Impedance:	2.2 k ohm +/- 30%
Max. Operating Voltage:	10V DC
Standard Operating Voltage:	2V DC
Current Consumption :	0.5mA max.
Sensitivity Reduction:	Within -3dB at 1.5V
S/N Ratio:	More than 50dB min.