The T-702B is an indoor column 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 4” full range speaker drivers are designed of wide frequency response 200 to 16kHz, the power output of 15W and 30W could meet different applications varies from room size and ambient noise surroundings. The aluminum enclosure and fabric grille are of gray color. Easy and secure wall mount through the supplied 180 degree rotatable mounting bracket. It is ideal choice for industrial and commercial applications in the indoor area of hotel, school, office, restaurant and factory where background music and paging is needed.