Amazon.com: Acoustic Audio PSW500-12 Home Theater Powered 12" LFE Subwoofer Black Front Firing Sub,500 Watts
HD FIDELITY 5.1 Home Theater Speaker System with 150 Watt Powered Subw — AMERICAN RECORDER TECHNOLOGIES, INC.
BIC America 500-Watt Black 0.1 Home Theater Speaker System in the Home Theater Speaker Systems department at Lowes.com
DYNATECMEDIA DT-500 5.1 Channel Home Theater System | eBay
Amazon.com: Monolith M-10 V2 10in THX Certified Select 500 Watt Powered Subwoofer - Piano Black Finish | Massive Output, Low Distortion, for Studio and Home Theater Systems : Electronics
Logitech Surround Sound Speakers Z906 500 W Black 5.1 channels