The Lowell LT-810-72-BB quick-install speaker system for suspended tile ceilings features an 8-inch dual cone driver with dual voltage (25V/70V) transformer and 1x2 fine perforation grille with sub-plate. The patented assembly features an integral T-bar support that quickly replaces half of a non-tegular 2x2 ceiling tile or one-fourth of a non-tegular 2x4 ceiling tile. For commercial paging and background music.