Amazon.com: Powered Subwoofer, Konex 12" Woofer 300W Powered Active Subwoofer, High Connectivity, Low Impedance Inputs & Line Input, Standby Mode, for Studio & Home Theater, Black : Electronics
Polk Audio PSW 111 Open Box 8-inch 150-watt Powered Subwoofer - Walmart.com
Velodyne MiniVee Subwoofer - HomeTheaterHifi.com
MTS: Millennium Theater Systems Compact Powered Active Subwoofer 8" 100 W EUC | eBay
S6 210 Watt 6" Compact Powered Subwoofer, Powerful Bass in a Small Package | eBay
Yamaha YST-SW012 Small Black Powered Subwoofer
Mirage Nano S8 Small 8 Inch Powered Subwoofer System
BESTISAN Powered 6.5 Home Audio Subwoofer, Deep Bass Response Subwoofers in Compact Design, Easy Setup with Home Theater Systems, TV, Speakers, RCA, Black - Newegg.com
Polk Audio PSW10 10 inch, 100W Powered Subwoofer - Walmart.com
BESTISAN Powered Subwoofer, Deep Bass Subwoofer, Down Firing Sub in Compact Size, Easy Setup with Home Theater System, TV, Receiver, Speakers (RCA Cable Included, Black),SW65C - Yahoo Shopping
Adam Professional Audio Sub7 Active Subwoofer for use SUB7-PRO