TheMTC-81TB8fromJBLis a tile bridge that allows you to install an 8138 ceiling speaker in a ceiling. The bridge eliminates ceiling tile sag by evenly distributing the speaker’s weight to the ceiling’s support system. It is constructed from rust-resistant steel and has an e-coated finish for a long service life.

Designed for use with the 8138 speaker and the MTC-81BB8 backcanLoad-bearing design distributes weight to eliminate ceiling tile sagRust-resistant 19-gauge steel construction with e-coated finish for a long service lifeFits 23.6″ and 24″ ceiling tile grids