SVS SB-1000 Subwoofer (Piano Gloss Black) &ndash; 12-inch Driver, 300-Watts RMS, Sealed Cabinet High-excursion 12-inch driver delivers massive SPLs with detail and musicality. 300-watts RMS, 720-watts peak power SVS Sledge STA-300D DSP amplifier for effortless power and pinpoint control at all drive levels. Weight: 27 lbs.; Dimensions (inches): 13.5 (H) x 13 (W) x 14 (D) Rigidly braced, sonically inert and custom tuned sealed cabinet for pure, distortion-free bass, even at reference volume. Right out of the box, the SB-1000 astonished me with its depth and clarity...a listening experience that is coherent, cohesive, and musically engaging. Im not sure theres a better value today in audio. -GoodSound.com