LD Systems ICOA SUB 15 A Powered Bass Reflex PA Subwoofer - 15"Music starts to really groove when you can feel the bass in your body. The ICOA SUB can deliver as much bass as you want to get the people rocking and entice them to the dance floor. It can even lend a multimedia presentation that special oomph it needs to reach its audience. The ICOA SUB pumps out serious bass and gives you greater headroom and a clearer sound. This is because your subwoofer relieves the main speaker, whose woofers are now less