驻极体电容式传声器（麦克风）、受话器、微型喇叭

Model No. Sensivity(0dB=1v/μbar,1KHz)-42±3dB,-44±3dB,-46±3dB,-48±3dB impedance:less than

2.2k DirectivityOmnidirectinal Frequency20~16，000Hz Max.operation voltage10V Operation Voltage(Max./Std.)2v Resistance(RL):2.2KΩ Current Consumption:Max.0.5.mA S/N RatioMore than 58dB外形尺寸：

4.0*1.5、6.0*2.2