Legendary Polk Audio sound combines with Polk Digital Logic to make watching TV and movies not only more exiting, but increadibly easy. Using a single SurroundBar loudspeaker and a wireless subwoofer, the SurroundBar SDA Instant Home Theater produces a generous soundstage and rich, full sound. To get started, connect the Surroundbar SDA to your TV and plug in its power cord. Then plug in the wireless subwoofer. Polk Audios patented SDA tehnology and Polk Digital Logic does the rest, bringing spectacular performance and convenience to all of us whose budget is limited but whose desire for great sound is not.