會(huì)議麥克風(fēng)產(chǎn)品GC-80L參數(shù)：
Element: Back Electret Condenser ;
Polar pattern :Uni-Directional ;
Frequency response:50-16KHz ;
Sensitivity :- 45dB±3dB ;
Output impedance :250Ω±30% ;
Power Supply :48V Phantom

補(bǔ)充說明：
會(huì)議麥克風(fēng)，產(chǎn)品型號(hào)：GC-80L

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