The Polk Audio DSWPRO440wi 8" Wireless-Ready Subwoofer goes anywhere you want the extra boost of realism that only solid low-frequency effects can provide. What's compact, fires down or front and goes wireless if you want it to? The DSWPRO440wi, put it in a corner or inside a cabinet. No other subwoofer gives you the placement flexibility of this smart, powerful subwoofer. Because it can be wireless, it's the easiest way to add deep bass excitement to any system, including a compact speaker array or a sleek SurroundBar installation.