***话筒ES915ML元件固定充电背板，静电型电容式指向性超指向性频率响应30-20,000Hz高通滤波80Hz,18dB/oct***e开路灵敏度-35dB(17.7mV)以1V于1Pa阻抗250欧姆***大输入声压级133dB声压,1kHz于1%T.H.D.动态范围(典型值)109dB,1kHz于***高声压信噪比70dB,1kHz于1Pa开关平直，高通滤波幻像电源直流11-52VDC,耗电4mA典型重量ES915ML12:129克ES915ML15:134克ES915ML18:139克ES915ML21:144克ES915ML24:149克尺寸ES915ML12:423.8mm-长ES915ML15:500.0mm-长ES915ML18:576.2mm-长ES915ML21:652.4mm-长ES915ML24:728.6mm-长,8.0mm-收音头直径,18.9mm-底部直径输出端子内置式3针卡农公头标配AT8138超指向性式防风海棉罩)