SVS PB12-Plus Subwoofer (Piano Gloss Black) &ndash; 12-inch Driver, 800-Watts RMS, Ported Cabinet 12-inch high-excursion SVS Plus Series driver with dual ferrite magnets and an FEA-optimized motor generates massive SPLs while remaining accurate and controlled at the most punishing drive levels. 800 Watts RMS, 2,300+ Watts Peak Power Sledge STA-500D DSP delivers effortless power and sophisticated processing for pinpoint accuracy at all playback levels. Weight: 127 lbs.; Dimensions (inches): 22 (H) x 19.8 (W) x 26.6 (D) Rigidly braced, sonically inert and custom tuned ported cabinet for pure, distortion-free bass at all drive levels. "The PB12-Plus at least matches the performance of any subwoofer in this test, and its price is about 40% less than that of the next-least-expensive sub we tested. If you've got the space for this behemoth, it's probably the best deal going for a high-end subwoofer." -Sound & Vision