Polk Audio DSWPRO 550WI Powered 10-inch Subwoofer | Powerful 200-Watt Amp | Multiple Placement Options, Can be Placed Inside Cabinets | Easy Integration with Home Theater Systems Like new condition. DSW PRO 550WI featuring Dynamic Balance materials and construction elements requires less power to sound great, uses power more efficiently and knows when to stand down, even at extreme listening levels. Its intelligent digital amplifier effortlessly drives the 10-inch woofer with 400 Watts of continuous power. The Klippel optimized woofer coupled with Feed Forward technology delivers quick, precise bass output with minimal audible distortion, even at loud volume levels. The unit can be arranged with its feet forward or down, for downward-firing position or front-firing mode, offering flexible placement options. The sub features four preset "Room Optimizers' from the remote controller, and Polk's exclusive PRO technology programs in the optimal bass and blending setting. LFE, line level inputs and outputs and 5-way binding posts for speaker level inputs allows easy connection to any system. Approximate Dimensions:  15.5 x 15 x 16.2 inches   41 Pounds Cash only. Pickup 34997 South Stuart