Category List: Audio System, Brand: Bowers & Wilkins, Short Description:3 - 2 - Way In-ceiling System - Stereo Speaker, Soft dome tweeter, Black Glassfibre Midbass Unit, Power Handling 80W / Channel, Frame Diameter - 240mm (9.5"), Cut-out Diameter - 203.2mm (8"), Depth reqd - 139.7mm (5.5")