Sensitivity:	-47 dB +/- 4dB (0dB = 1V/Pa, 1kHz)
Sensitivity Reduction :	Within -3dB at 1.5V
Frequency Response :	100- 12,000Hz
Directivity :	Uni-directional
Difference from 0 to 180 degrees :	More than 14dB
Output Impedance:	680ohm +/- 30%
Max. Operating Voltage:	10V DC
Standard Operating Voltage:	1.5V DC
Current Consumption :	0.5mA max. (power supply 4.5V)
Sensitivity Reduction:	Within -3dB at 1.5V
S/N Ratio:	58dB min.