A Swans / Hi-Vi Research SUB-250 Powered Subwoofer with 250 Watt Amplifier and dual 10" subwoofers. Sub is in excellent working condition. Cosmetically fair, sub has a cloth covering top, sides and bottom, with a few small pinholes, and some damage to one corner of the face. This is a heavy, well made sub and works great. If you are seeing this, then it is still available.