Thunder Square enclosures are the loudest prefab enclosures on the market today.  Incorporating a side-firing super slot port design, these enclosures are able to produce more bass than any other enclosure in their class. Constructed using the same high quality ¾" MDF panels and dado/v-groove construction as TC and SLH MTX enclosures, TS enclosures are as rock solid as the bass they deliver. The improved cosmetic design, beveled corners,  and the addition of the MTX Audio gothic logo make these enclosures look as impressive as they sound. Available loaded with TS55 series subwoofers, MTX has a solution for anyone that wants an optimized solution that just hits HARD!