Polk Audio Voice Adjust Wireless Subwoofer 2.1-Channel Surround Sound Speaker System Black (Signa S1 AM9214-A)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Performance-tuned surround sound: performance tuned driver Array and Dolby digital 5.1 decoding create incredible room-filling surround sound from a compact sound bar and wireless subwoofer. </span></li><li><span class="a-list-item"> Universal compatibility: works with your TV-optical cable included. </span></li><li><span class="a-list-item"> Polk voice adjust technology: customize the voice levels in the sound bar to reproduce clear， crisp dialogue and never miss a single word of your favorite movie， TV show or sporting event. </span></li><li><span class="a-list-item"> Wireless music streaming: Bluetooth technology lets you stream music directly from your smartphone， tablet or other compatible device. </span></li><li><span class="a-list-item"> Compact wireless subwoofer: feel powerful Deep bass impact no matter what you're watching or listening to with the included compact wireless subwoofer. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41XTW7-F%2BLL.jpg" noproxy>