Price Match Guarantee Definitive Technology Descend DN12 12" Powered Subwoofer (Black) Loaded with custom technologies like the 3XR Architecture that features three-times the bass-radiating surface area of other ported subs, the Descend DN12 performs like a 15" sub and delivers louder and clearer lows without any unwanted port noise distortion. Digitally optimized to take your movies and music to the next level, the Descend DN12 features the new Intelligent Phase Control that provides 360 degree