频率范围 Frequency range 20-20000Hz
灵敏度 Sensitivity -32--49dB
OdB=1V/Pa, 1Khz
输出阻抗 Impedance Less than 2.2KΩ
指向性 Directivity Omnidirectional
信噪比 S/N ratio More than 60dB
标准工作电压 Standard operation voltage 3.0V
**工作电压 Max operation voltage 10V
灵敏度缩减特性 Sensitivity reduction Within -3dB at 1.5V
工作电流 Current consumption Max 0.5mA