Overview
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