LT-series speaker assembly provides easy installation in suspended tile ceiling applications. A selection of speakers, transformers and backboxes allows integrators to achieve various performance levels required for music or commercial paging in lounges, restaurants, lobbies, retail stores and similar venues. The LT is shipped ready-to-install and does not require speaker cut-outs in ceiling tile. 1'x2' assembly is supported by the T-Bar grid and includes an integral T-Bar support for fast installation when replacing half of a non-tegular 2'x2' ceiling tile or one-fourth of a non-tegular 2'x4' ceiling tile. System includes a speaker assembly with choice of two transformers mounted to a 1'x2' subplate with fine-perforation pattern grille, integral T-Bar, and value backbox.