◇吊顶型安装方式，声音指向性高
Ceiling type installation, high sound directivity.
◇定压、定阻可调
Constant pressure, adjustable resistance.
◇30W高保真大功率
30W high fidelity high power.
◇全封闭箱体，4.5寸全频高保真扩声
Fully enclosed box, 4.5 inch full-range high-fidelity sound reinforcement.
◇可选择有源无线音箱，可通过手机APP控制播放内容及音量
Optional wireless active speakers, can be connectedvia phone APP.
◇适合厅堂补声和酒店会议场合辅助扩声
Suitable for sound reinforcement for hotel conferences.
最大功率 Maximum power 5--30W可调
重量 Weight 2.1kg
扬声器单元 Speaker unit 4.5"
频率响应 Frequency response 70Hz--20KHz
线路电压 Line voltage 70--100v/8Ω可调
灵敏度 Sensitivity 90dB
外形尺寸 Dimensions Φ185*230mm
材质 Materials ABS