Polk DSWPRO 550wi Wireless-ready Powered Subwoofer
Polk subwoofers are famous for their deep, musical bass response.  And with Polk Room Optimizer (PRO) technology, you can put the DSWPRO550wi subwoofer anywhere in your listening room, even inside audio furniture or cabinets. The intelligent digital amplifier in the DSWPRO550wi effortlessly drives its 10-inch woofer with 400 Watts of continuous power.