DSP208 is an outdoor waterproof column speaker with a built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distances and allows easy parallel connection of multiple loudspeakers. The built-in 4''x2, 2.5''x1 two-way speaker drivers are designed for wide frequency response 140-14kHz, the power output of 10W could meet different applications varying from room size and ambient noise surroundings. Easy and secure wall mount through the mounting hook. This column speaker is an ideal choice for industrial and commercial applications in the indoor areas of hotels, schools, offices, restaurant,s and factories where background music and paging is needed.