We are manufacturer, professional: speakers. 1, 3-6W 2, Voltage.70-100V 3,stainless steel form. 4,As usual hotels, hospitals

Model	YF-607
Rated  power	3-6W
Line voltage	70-100V
Sensitivity	91±3dB
Frequency response	110-16KHz
Hole dimensions	ø148-158mm
Item dimensions	ø180×60mm

We are manufacturer, professional speakers.

1. plastic cover 3-6W.

2. Voltage 70-100V.

3. stainless steel form

4. more export american...

5. As usual hotels, hospitals. etc...

Ceiling speaker