Polk Audio TL1600 5.1 Compact Home Theater System with Powered Subwoofer<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"> TL1 Satellite Aperiodic-Tuned Rear Port enables better blending with a subwoofer </span></li><li><span class="a-list-item"> TL1 Center Channel Tuned Rear Port maximizes the low end response of the dual driver design for superior blending with the satellites and the subwoofer </span></li><li><span class="a-list-item"> Downward Firing Powered Subwoofer. A compact vented enclosure with an 8" long-throw Dynamic Balance poly composite driver </span></li><li><span class="a-list-item"> Built-In 50 Watt Continuous/100 Watt Peak Amp with active crossover offers the control you need for real home theater thrills and big， musical， accurate bass. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41rpWE-lnUL.jpg" noproxy>