Polk Audio Polk Audio Signature S20 American HiFi Home Theater Classic Brown Walnut Bookshelf Speakers

* The Real American HiFi Home Theater Speaker Built to bring the big surround sound theater and music experience into the comfort of your living room, the Polk Signature S20 bookshelf speaker continues in the Polk tradition of American HiFi. Featuring Hi-Res certification, a new Dynamic Balance designed acoustic array, precision cross-overs, an anti-diffraction grille, modern cabinet styling and exclusive Power Port bass enhancing technology, you get elevated sound for movies, TV and music in a totally re-imagined design. Polk-expect great sound * New Dynamic Balance Designed Acoustic Array Whether upgrading your home theater setup with an advanced Atmos configuration or enjoying music, Dynamic Balance ensures a rich, clean, full-range sound no matter what you're listening to. This patented technology analyzes the speaker's entire electro-acoustic and mechanical system for improved material selection and more efficient geometry. It pinpoints and eliminates issues that reduce speaker performance before they...