Polk Audio TL250 Compact， High Performance Home Theater System (5-pack， Black)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Compact， 5-piece High Performance Home Theater System</li><li>Time Lens Technology-The acoustic centers of the tweeter and mid-bass driver are located in the same plane for superior imaging</li><li>PowerPort®， a patented Polk technology， extends the low frequency mid-bass driver response as it decreases air turbulence，</li><li>3/4" Silk Dome Tweeters for crisp， clear imaging and smooth response that's never tiring.</li><li>3 1/4" Composite Injection Molded Cones With Dynamic Balance Driver Technology</li><li>Time Lens Technology-The acoustic centers of the tweeter and mid-bass driver are located in the same plane for superior imaging</li><li>PowerPort a patented Polk technology， extends the low frequency mid-bass driver response as it decreases air turbulence，</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31KKp7Vy90L.jpg" noproxy>