我的位置：
话筒带红色光环指示，可显示麦克风发言状态。
/ The annular red indicator lamp could show the state of the microphone.
主席具全权控制会议秩序的优先发言健,可关闭发言代表单元。
/ The chairman unit could turn down delegate MIC by press the priority button.
系统中主席单元数量不受限制，并可置于线路中任意位置。
/ The chairman unit number in the system is unrestricted, can join in any position of the system.
频率响应/ Frequency response: 100Hz-16KHz
灵敏度/ Sensitivity: -30dB
