JBL MTC-81TB8, Tile Bridge for 8138 Ceiling Speaker microphone-deals Sensitivity: 114 dB SPL at

Sensitivity: 114 dB SPL at 1 kHz

37 units @ 230 V

Cabinet Material: ABS plastic

Power Requirement: 16 - 52 V Phantom Power

JBL MTC-81TB8, Tile Bridge for 8138 Ceiling Speaker microphone-deals Sensitivity: 114 dB SPL atThe JBL 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. Product Specifications: Material: 19 gauge (1. 0 mm thickness) steel, finished in black polymer Attachment Points: 4 clip nuts (ie, speed