Lowell Manufacturing LT-4A-T870-Vb 4" 30W 1x2 Ceiling Tile Loudspeaker, 70V

1x2 ceiling speaker -- quick install pro speaker for suspended tile ceilings features premium 4 in. coaxial driver, 70V transformer, fine perforation grille and .8 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 (4A30) 4 in. 30W coaxial speaker with 10 oz. low frequency and 2 oz. high-frequency magnets. It's engineered for distributed sound systems requiring a high performance coaxial speaker for even, high-frequency dispersion, low distortion and clear fidelity for foreground music. Speaker features post-mounted dome tweeter, effective crossover and woofer with long excursion, half-roll surround on poly cone. 8 ohm. Transformer 70V transformer with primary taps at 1, 2, 4, 8W. Enclosure (.8 cu.ft.) Steel backbox with 1.5 in. thick acoustic lining. Removable dual knockout wiring compartment cover plate with combination knockouts. Driver leads exit through metal clamp. Grille with Subplate (1 x 2) Fine-perforation 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 to support neighboring non-tegular ceiling tile. Restraint tab and hole for two-cable code compliance (cables not included).