国产三线在线,亚洲久草在线视频,9久re热视频在线精品,久久久xxx

參數(shù)：

  換能方式.......................................電容式

  頻率響應(yīng)............................30Hz~20KHz

  指向性..........................................單指向

  輸出阻抗....................................75Ω平衡

  靈敏度(±2dB)...............................-45dB

  輸入音量.................................138dB

  訊噪比...........................................65dB

  供電電壓....................................幻象48V

  咪管長度（mm).................................150

  話筒重量......................................0.65kg

  其他......................鐵座、抗手機、電磁干擾