*特种背面驻极体电容
    *半心型指向
    *紧凑 淡视觉设计
    *钢制栅格 抗冲击罩面
    *静音防震脚垫
    *可拆卸电缆
    *需9-52伏幻象电源供电
    *黑白两色可选
    
    Element Type: Back Electret Condenser
    Polar Pattern :Half Cardioid
    Impedance :Low (500 ohm Balanced)
    Frequency Response: 50 Hz to 20 kHz
    Sensitivity (open circuit voltage) :61 dB (0 dB = 1V/microbar)