Phase Technology CI140 Overhead SpeakerPhaseTech CI140 Angled Ceiling Speaker The CI140 angled ceiling speaker is an optimal solution for ceiling mounted front channel speakers. The 45" angled baffle fills the listening area with direct sound producing an uncompromised front sound stage. Low frequencies are augmented with PhaseTech's patent hybrid enclosure design which produces twice the bass compared to speakers using conventional enclosures. With two 5. 25"RPF flat piston Fiberglass