厂家直供消防应急广播主机GB9242（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,功放输出有录音
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.