SVS Ultra Evolution Bookshelf Speakers (Pair) Polk Audio Surround Speakers 6-1/2" Dynamic Balance® composite cone

6-1/2" Dynamic Balance® composite cone woofer

The result: tighter and cleaner sounding bass

A 2-line LCD screen lets you keep tabs on what you're listening to

Flat White

Cellulose Midrange

SVS Ultra Evolution Bookshelf Speakers (Pair) Polk Audio Surround Speakers 6-1/2" Dynamic Balance® composite coneSVS Ultra Evolution Bookshelf Speakers (Pair) SVS Ultra Evolution Bookshelf Speaker represents the culmination of SVS breakthroughs in driver design, component materials, and cabinet architecture, married with a relentless passion for audio excellence. The science of sonic perfection in harmony with a love of convincing and immersive sound. With a big, expansive sound thats revealing and detailed, Ultra Evolution Bookshelf gives the impression of a