The T-604 is an in-wall ceiling speaker built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers. The built-in 8”+1.5” two ways speaker driver is designed of wide frequency response 80-17kHz, the multiple power taps 10W & 20W are helpful for different applications varies from room size and ambient noise surroundings. The metal grille and ABS baffle are painted in attractive RAL9016 white color. Its flush mount type makes the easy and secure installation. It is ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.