The SPI-C66100 is a 6.5″ ceiling mount sound diffusor and projector designed for music playback, background announcement entertainment, and voice evacuation systems. It features an internal multi-tap transformer that supports both 70V and 100V lines to allow seamless matching of output power parameters. Constructed inside a white metal protective casing dome for the rear section and a protective front metal grille, it incorporates safety features like ceramic terminals and a thermal protection fuse for secure, long-lasting ceiling flush-mount setups








