Eltax Atomic A10 Active Subwoofer .

I have my Eltax Sub for sale, this is a great unit and is in full working order. 150W 10" Driver Volume, Crossover and Phase controls High and line inputs This is a powerful sub that will really add a kick to your setup. It is in great condition functionally, with just some slight cosmetic scratches to the top of the unit. This article explains the spec in more detail: http://gadgets.softpedia.com/gadgets/Television-and-music/The-Eltax-Atomic-A-10-2-Subwoofer-6695.html