Polk Audio TL1 Speaker Center Channel (Each， Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Time Lens Technology-The acoustic centers of the tweeter and mid-bass driver are located in the same plane for superior imaging. </span></li><li><span class="a-list-item"> Aperiodic-tuned rear port enables better blending with a subwoofer. </span></li><li><span class="a-list-item"> 2 1/2" Long-throw drivers with Dynamic Balance Driver Technology </span></li><li><span class="a-list-item"> 1/2" Silk dome tweeters for crisp， clear imaging and smooth response that's never tiring. </span></li><li><span class="a-list-item"> Combination keyhole slot &amp; 1/4" x 20 threaded Insert fits all aftermarket ceiling and wall brackets for ultimate flexibility </span></li><li><span class="a-list-item"> The Time lens technology enables the acoustic centers of the tweeter and mid-bass driver are located in the same plane for superior imaging. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31M6ffHcopL.jpg" noproxy>