The NVS-EN6FDS is an EN54-24 certified fireproof ceiling speaker designed for PA and voice alarm systems. It features a built-in 100V/70V transformer, a 5” full-range driver, and selectable power taps of 1.5W, 3W, and 6W. Built with a metal fire dome, grille, and white metal baffle, it ensures durability and fire safety. For enhanced protection, it includes ceramic terminals, a thermal fuse, and fire-resistant cable, while three spring clips allow quick and secure installation.