公司名称：深圳市鑫视语电子有限公司

Item Symbol Test conditions Min Standard Max Unit
Sensitivity S f=1KHz.Pin=1Pa -39 -36 -33 dB 0dB=1V/Pa
Directivity Omni-directional
Impedance Zout 2.2 KΩ
Input sound
Pressure level S.P.L 94 dB
Operation voltage Vs - 1.0 4.5 10 V
Current consumption I f=1KHz.Pin=1Pa 500 uA
Sensitivity reduction △S f=1KHz.Pin=1Pa
Vs=2.0→1.0V -3 dB
S/N ratio S/N(A) f=1KHz.Pin=1Pa
A=curve 60 d