![](https://img.alicdn.com/imgextra/i3/2791424107/TB2q7oOwYSYBuNjSspiXXXNzpXa-2791424107.png) | 活?名?:???惠 活???:2020.10.07-2020.10.08 ????? 60000元,? 1000元 |
![](https://img.alicdn.com/imgextra/i1/1049977568/TB2BPSwdDwKL1JjSZFgXXb6aVXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i1/1049977568/TB2Kk5mdC3PL1JjSZFtXXclRVXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i2/1049977568/TB2cQywdywIL1JjSZFsXXcXFFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i3/1049977568/TB2BkMhkcbI8KJjy1zdXXbe1VXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i3/1049977568/TB2YllCc.F7MKJjSZFLXXcMBVXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i4/1049977568/TB2sYNqc.l7MKJjSZFDXXaOEpXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i3/1049977568/TB2SBPAjtbJ8KJjy1zjXXaqapXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i2/1049977568/TB2LKoDbUgQMeJjy0FjXXaExFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i3/1049977568/TB2Ne5AdzoIL1JjSZFyXXbFBpXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i4/1049977568/TB2wxyydEQIL1JjSZFhXXaDZFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i1/1049977568/TB2jVZBbHwTMeJjSszfXXXbtFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i3/1049977568/TB2QuwDbUgQMeJjy0FjXXaExFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i1/1049977568/TB2TXkIbMoSMeJjSspaXXbMOFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i2/1049977568/TB2OMcmXOoaPuJjSsplXXbg7XXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i2/1049977568/TB2UHGEdEUIL1JjSZFrXXb3xFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i1/1049977568/TB2b7qzdyAKL1JjSZFoXXagCFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i3/1049977568/TB2PJULbMoQMeJjy0FoXXcShVXa_!!1049977568.jpg)
皇? ??一拖四无??克? 无????筒 ??室工程安??用:
![](https://img.alicdn.com/imgextra/i3/1049977568/O1CN01yT24i025mC3BYMprK_!!1049977568.jpg)
皇? ??无??克? 无????筒 ??无??克?一拖四1880元
?品性能指?:
接收机??"
?音控制:音?控制和???重?定
最大?偏:±15KHz
信 ? 比:>90dB
?合失?:<0.2%(1KHz)
?率?定度:±0.005%
信?比:>98dB
?道干?比: >80dB
??范?:>90dB
?波失?:<0.5%
接收?敏度:50uS(SINAD=20dB)
音??出:
?立?出:0-±400mV
混合?出:0-±300mV
操作范?:80米半?(无障碍物?)
?度范?:-10℃-50℃
?源供?:220V 50Hz
???克???
???型:?容式
?性模式:?一指向性
?率??:60Hz-16000Hz
?筒?敏度:-47±3dB@1KHz
?准配置
接收机一台
?品?明?一?
保修?一?
??无??克?4支
底 座4?
防??4?
?出音??接?1根
无??克?使用??
1、避免接收机?近金?表面和?壁等障碍物,他??降低系?的性能。
2、接收机的天?要全部拉出?垂直于接收机。
3、接收机安??注意事?,距?地面要高于一米,距??壁要大于一米。
4、???不用?,?拔掉?源??,取出?射器?池。
皇?音?——??室????无??筒 ??安??拍?:
![](https://img.alicdn.com/imgextra/i3/1049977568/TB23fGFgMoQMeJjy0FnXXb8gFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i2/1049977568/TB2OeadgMMPMeJjy1XdXXasrXXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i2/1049977568/TB20C4fcF9gSKJjSspbXXbeNXXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i1/1049977568/TB2B1Skb2xNTKJjy0FjXXX6yVXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i1/1049977568/TB2O8nOc.1HTKJjSZFmXXXeYFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i2/1049977568/TB2auXbhgn.PuJjSZFkXXc_lpXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i3/1049977568/TB21ARykC3PL1JjSZFxXXcBBVXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i4/1049977568/TB2xEL2bI2vU1JjSZFwXXX2cpXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i3/1049977568/TB2byk_XEMgYeJjSZFGXXXsMXXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i1/1049977568/TB29_v2bI2vU1JjSZFwXXX2cpXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i4/1049977568/TB2Wemeb2BNTKJjSszcXXbO2VXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i2/1049977568/TB2JEvOc.1HTKJjSZFmXXXeYFXa_!!1049977568.jpg)
![](https://img.alicdn.com/imgextra/i1/1049977568/TB2yiF2bhuaVKJjSZFjXXcjmpXa_!!1049977568.jpg)