Lowell Manufacturing LT-410-72-BB 4" 15W 1x2 Ceiling Tile Loudspeaker, 25V/70V

Tile ceiling speaker is designed for quick installation in suspended tile ceilings. It features premium 4 in. high-compliance driver, 25V/70V transformer, fine perforation grille and .147 cu.ft. enclosure. Patented 1x2 assembly with integral T-bar quickly replaces half a non-tegular (2x2) ceiling tile. U.S. patents 7120269, D467579, 7643647. Driver (JR410) 4" 15W high-compliance driver with 10 oz. magnet. Frequency response of 67Hz-16kHz (+/-6dB) and 53Hz-20kHz (+/-8dB). Average sensitivity of 90.8dB measured 1W/1M. Conical dispersion 170 degrees. Transformer (TLM-572) Dual voltage 25V/70V transformer with primary taps at .25, .5, 1, 2, 5W. Enclosure (8XD4) 0.147 cu.ft. steel backbox with speaker leads that exit through a metal clamp for fast connection. Black. Grille with Subplate (1 x 2) Fine-perforation white grille provides maximum free-air space for excellent sound transmission while maintaining an unobtrusive appearance in new or existing tile ceilings. White. Mounting Aids Patented integral T-bar supports neighboring non-tegular ceiling tile. A hole in one corner and restraint tab diagonally opposite allow (two cable) code compliance (cables not included).