Polk's exclusive dynamic sonic engine design optimizes the midrange driver and the ring radiator tweeter in separate interior chambers for improved transient response, superior imaging and greater horizontal off-axis response. Enhanced, re-engineered ring radiator tweeters extend top-end response for incredible details and realistic imaging. Extended Linear Motion voice coil design helps extend mid- and high-frequency response.

High-excursion 12-inch driver produces room-shaking SPLs and hits extreme low frequencies with control and accuracy. A powerful foundation of sound for home theater and music. 500 watts RMS, 1,100+ watts peak power Sledge STA-500D DSP amplifier boasts features normally found in subwoofers costing three times the price. Delivers effortless power for reference level output with pinpoint accuracy. Weight: 66 lbs.; Dimensions (inches): 20.9 (H) x 17.3 (W) x 23.2 (D)