技术参数：型号GM-501GM-513GM-514功率3W/6W3W/6W3W/6W输入电压70V/100V70V/100V70V/100V灵敏度92dB91dB91dB频响100Hz～16KHz120Hz～15KHz120Hz～15KHz安装开孔尺寸￠161mm￠165mm￠185mm外径尺寸￠200mm￠200mm￠230mm)