The T-612 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 5”+1” two ways speaker driver is designed of wide frequency response 90 to18kHz, the 1.5W, 3W and 6W three power taps are helpful for different applications varies from room size and ambient noise surroundings. The metal grille and ABS enclosure are of white color. Easy and secure wall mount installation.