DSP108 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”x1, 2.5”x1 two-way speaker drivers are designed with a wide frequency response of 140-14kHz, and 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, restaurants and factories where background music and paging are needed.