The Lowell 810-T72 dual cone 8-inch 15W driver with mounted dual voltage (25V/70V) 5W transformer provides solid performance for paging and background music. The driver features a 10 oz. ceramic magnet, 3/4-inch hard fiber whizzer cone, 1-inch voice coil and 20-gauge steel frame with zinc-plated finish. Meets or exceeds applicable E.I.A. standards.