The T-2700 is a waterproof stadium horn 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 12” horn speaker driver is designed of wide frequency response 120 to 18kHz, the rated power output 150W could meet different applications varies from room size and ambient noise surroundings. The metal enclosure and metal bracket are of black color. Easy and secure wall mount installation through the supplied mounting bracket. It is ideal choice for industrial and commercial applications in the vast outdoor area of train station, stadium where background music and paging is needed.