Bose Virtually Invisible 791 In-Ceiling Speaker II (White) (742897-0200) The best Bose in-ceiling speaker has one 7" woofer and two strategically positioned 1" tweeters High-quality, full-range performance that most other installed speakers can't match Exclusive Stereo Everywhere speaker performance covers the room with balanced stereo sound-no drop-offs A near-bezel-less construction blends elegantly into the room's design; easily paintable grilles Standard dogleg clamps and magnetically attached grilles make installation fast and easy Speaker :4.4" H x 10" Diameter. Ceiling hole diameter 219 mm In the box - Speakers / Speaker grilles / Template