DSWPro 550wi

STATE-OF-THE-ART SUBWOOFER WITH A BIGGER BASS THAN YOU CAN IMAGINE - Designed with unique driver materials, and based on Polk's patented Dynamic Balance woofers, this 10" Powered Sub effortlessly performs and delivers deep bass in far corners of your room EXCLUSIVE PRO ROOM OPTIMIZER TECHNOLOGY (PRO) FOR OPTIMAL BLENDING gives you the freedom to place your sub anywhere in the room, even inside a cabinet. The four preset optimizers let you specify the location and define the bass setting ENGINEERED TO PERFECTION – intelligent RMS amplifiers need less power to run, allowing it to stand down at low volumes or in Standby mode, making efficient and smart use of power, giving up to 400 watts of continuous power at peak