厂家直供消防应急广播主机（消防广播主机、公共广播主机）

　　1,应急状态，自动停止普通广播，同时启动应急广播

　　2,应急广播状态可自动播放预设的广播语音信息

　　3,数字电位器调整无定位，连续可调和预置音量

　　4,手持传声器:有“讲话”“复位”功能

　　5,应急广播时能启动30分钟以上的数字录音

　　6,线路输入、线路输出，可选择切换音源

　　7,有输出过载、短路、过压保护、过温保护

　　8,功放输出有监听

　　9,功率输出:150W/300W/500W

　　10,尺寸3U

　　Fire Emergency Broadcast Host

　　1, In a state of emergency, the system can automatically stop the ordinary broadcast,and start the emergency broadcast at the same time.

　　2, Broadcasting in a state of emergency, system automatically to play tpre-set voice messages.

　　3,Using digital potentiometer; the volume can be adjusted continuously, and can be preset.

　　4,Hand-held microphone: have “speech” and “reset”Function.

　　5,Broadcasting in a state of emergency,systems can start than 30 minutes of digital recording

　　6,Line input; Line output; Can choose to switch sources.

　　7,Pretects and gives an alarm when output overload, short circuit, overvoltage , overheat.

　　8,Amplifier output was monitoring.

　　9,Power output: 150W/300W/500W.