手機 咪頭4015WG 麥克風 加膠套，帶線，

Sensitivity        -38±3dB, -40±3dB, -42±3dB, -44±3dB
Output impedance       f=1kHz   2.2 k
Current Consumption      VCC =2.0V,RL=2.2KΩ MAX.500μA
Signal to Noise Ratio     f=1KHz, 1Pa  A weighted  Min. 58 dB
Standard operating voltage       2.0V
Operating Voltage           1.0V -10.0V
Decreasing Voltage       VCC=2.0V to1.0V     -3 dB
Maximum input S.P.L      110 Db
Directivity            Omnidirectional