Polk Audio high end surround sound speakers - electronics - by owner...
Amazon.com: Polk Audio PSW10 10" Powered Subwoofer - Power Port Technology, Up to 100 Watts, Big Bass in Compact Design, Easy Setup with Home Theater Systems Black : Electronics
Polk Audio - 10" 200W PSW110 Powered Subwoofer Black! Works Just Great! 747192117696 | eBay