The MTC-81TB8 tile bridge is designed for use in applications requiring pre-installed backcans in suspended ceiling applications and is compatible with ceiling speakers having a 286 mm (11.25 in) mounting circle diameter such as the JBL 8138 ceiling loudspeaker and the JBL MTC-81BB8 pre-install backbox.

Features
• Fits 8138 speaker and MTC-81BB8 backbox
• Load-bearing bridge eliminates ceiling tile sag by distributing weight to the ceiling’s support system
• Rust-resistant 19-Gauge (1 mm thick) steel construction and e-coated finish ensures long service life.
• Fits 610 mm (24 in) and 600 mm (23.6 in) tile grids