IMPACTMINI65INCHSUBWOOFER in by Velodyne in Tulsa, OK - Impact-Mini 6.5 Inch Subwoofer
Amazon.com: Polk Audio PSW505 12" Powered Subwoofer - Deep Bass Impact & Distortion-Free Sound, Up to 460 Watts, Easy Integration with Home Theater Systems, BLACK : Electronics
Legacy Deep Impact // 400W Powered Subwoofer – AURAL HiFi