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件 库存100000件
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
最大工作电压 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