Visaton ML 10 T, 100 V, 4Inch - Price Per Speaker
10 cm (4") Ceiling/Wall speaker with rear cover and 100 V transformer. Good voice reproduction. Compact dimensions.
- For fitting in hollow ceilings or walls, for music and speech in shops, at home, hotels, cruise ships etc.
Mounting Guide : http://www.visaton.com/downloads/pdf/ml10t_montage.pdf