The T-601E is a wall mount 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 6” full range speaker driver is designed of wide frequency response 150-15kHz, the multiple power taps 6W &10W are helpful for different applications varies from room size and ambient noise surroundings. The ABS enclosure and metal grille is of white color. Easy and secure wall mount installation through the supplied mounting holes It is ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.