Sensitivities:	-40, -42, -44 +/- 3dB
Sensitivity Reduction :	within -3dB at 1.5V
Output Impedance:	2.2K ohm max.
Operation Voltage :	1.5~10 V DC
Standard Power Supply:	4.5V DC
Current Consumption :	0.5mA max.
Frequency Range:	50~16,000 Hz
Min. Operation Voltage:	1.5V
Max Sound Pressure:	120dB S.P.L.
S/N Ratio:	60dB min
Directivity:	Omni-directional