力卡采访话筒　Relacart　EM-2900

超指向性采访话筒系列
■Type:Super Cardioid Electrt Condenser
■System:Uni-Directional System For Long And Short Distance(Switchale)
■Sensitivity:
For Short Distance:66dB(1V/m bar 1KHz)
For Long Distance:50dB(1V/m bar 1KHz)
■Output Imdedance:80Hz-13KHz(EM-2900;60Hz-18KHz)
■Power Source:DC 1.5V AA Size Battery
■Signal To Noise Ratio:120dB Max