有線麥克風產(chǎn)品CM-38參數(shù)：
Element:Back electret condenser;
Polar pattern:Uni-directional;
Frequency response:50Hz-16KHz;
Sensitivity:-45dB±3dB;
Output impedance :200Ω±30%;
Power Supply: 1.5V battery;

補充說明：
CM-38

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