Sonance PS-C83 C-Bracket and Tile Bridge Support Kit | 1 EachC Bracket and Tile Bridge engineered for 8 inch round Sonance Professional Series, Visual Experience, and legacy Visual Performance in ceiling speakers. The C bracket provides rigid back support for the speaker's Roto Lock clamps, and the tile bridge distributes the speaker weight across adjacent ceiling tile rails so the cabinet doesn't bow finished tile or sheetrock when the heavier 8 inch speaker is installed. This C bracket and tile bridge is the