设备说明Specification
与扩音机连接为4芯线
The cable Connect to PA main unit is 4 wires
具有双向对讲功能Two-way talkback function
通过固定键或数字键可选择喊话输出和对讲
Option shoutout and talkback by fix key or numeric key
壁挂式安装. Wall mounting type
技术规格Technical specification
颜色Color: 亚光黑 Dull black
防护等级IP rating:IP44
填料函Cable gland: PG25,PG16
壁挂式公共广播遥控台产品城市:山东,烟台,青岛,威海,潍坊