频率响应：100-13khz 灵敏度：-44db±2db 参考授话距离：20-120cm 咪管长度：390mm 净重：0.7kg ic卡签到，内置喇叭 嵌入式安装,可拔插咪管 采用全新数控化设计 具有麦克风具有发言键与指示灯，可控制/指示本机状态 单指向性，具防气爆音功能，配有防风防护罩 具主席优先控制按键，可启动系统提示音提醒出席人员注意，可设终止或暂停终止所有发言代表麦克风的发言状态 系统中主席单元数量不受限制，并可置于回路中任意位置 系统中主席单元不受限制功能的限制 可绕式电容麦克风杆，并具有发言指示光环 麦克风灵敏度高 单元由系统主机供电，输入电压24v属安全范围 单元采用8芯线“t”型连接 具有两组3.5mm立体声输出插座，可做录音及连接耳机用 内置高保真扬声器，并具有音量调节（当麦克风开启时喇叭自动静音） 具有表决/选举/评议功能 具有自动视像跟踪功能 配一条麦克风单元连接线 符合国际会议设备电器认证标准（iec 60914）及国际安规标准ul或ce认证 chairman unit sv-m808a (microphone) frequency response: 100-13khz sensitivity: -44db±2db reference speaking distance: 20-120cm length of the microphone tube: 390mm net weight: 0.7kg embedded installation, removable microphone tube adopts brand new numerical control design the unit has a microphone, a speaking button and an indicator lamp, so the status of the unit can be controlled/indicated. the microphone is unidirectional, and has the anti-popping function, and is equipped with a windshield. there is a prior control button in the chairman unit, which can make a system reminding sound to catch the attention of the attendants. the speaking status of microphones of all the speaking attendants can be permanently the amount of chairman units in the system is not limited, and which can be placed at any location in the loop. the chairman unit is not confined by the various limits. windable capacitor microphone tube, with speaking indicator ring lamp the microphone is highly sensitive the power of the unit is supplied by the system master device, and the input voltage is 24v, which is within the safe range. the unit is connected in “t” form through 8 core lines. there are two sets of 3.5mm stereo sound output sockets, which can be used for recording and connecting to earphones. there is a built-in hi-fi speaker with volume adjusting function (when the microphone is turned on, the speaker will be automatically muted). with vote/election/discussion functions with automatic image tracking function equipped with a microphone unit connection line comply with the international meeting equipments and appliances standard (iec 60914) and international safety standard ul or ce certification