high performance 3 way passive line array loudspeaker system. It's featured with a compact enclosure, big SPL and high sensitivity.Each of this line array is housing with two 12 inch neodymium woofers, one 10 inch midrange and two 3 inch neodymium tweeters. Its unique cabinet structure and the horn design improve the sound frequency diffusion in the vertical and horizontal directions, reduce the front reflection, and ensure the horizontal sound performance is stable and smooth enough.