Polk Audio T15 Bookshelf Speakers, Pair, Black The T15 are those bookshelf speakers whose high versatility is built to impress. Engineered with Polk's proprietary Dynamic Balance technology, they're primed to improve your home theater experience and take on your entire arsenal of tunes without fail. Think brighter highs, a wide-open mid-range and surprising bass response-the perfect entry into high-performance audio. The best part is that it won't drain your wallet! Go big on great sound made for everyone. Add the T15 bookshelf stereo speakers to your home audio setup today. Sold as a pair.