Sony SA-WCT770 Wireless Powered Subwoofer Home Theater Bass

Logitech Z-5300 THX Certified Powered Subwoofer

Polk Audio PSW10 10" Powered Subwoofer

Logitech Z-5300 THX-Certified Powered Subwoofer

JBL SUB 250P 10" Powered Subwoofer

Velodyne DLS-3750R Powered Subwoofer