Sensitivity:	-51 dB +/- 4dB (0dB=1V/Pa, 1KHz)
Frequency Response :	100 - 10,000Hz
Directivity :	Noise Cancelling
Output Impedance:	2.2K 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