The T-565 is a fireproof ceiling speaker built-in 70/100V transformer. The 70/100V transformer technique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers. The built-in 5-inch speaker driver is designed of wide frequency response 130Hz to 15kHz, the multiple power taps 0.38, 0.75, 1.5, 3 and 6W are helpful for different applications varies from room size and ambient noise surroundings. The metal grille, metal baffle and fire dome metal back can plus ceramic connector, thermal fuse and fire-resistant cable, all of the above features make it is fireproof. Its spring clamp type makes the easy and secure installation. This fireproof ceiling speaker is specially designed for fire alarm and voice evacuation system, which is designed and manufactured according to EN54-24 standard. It is ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.