I'd try this amp it's made by maxxonics same company that makes MB Quart now and Hifonics as well as crunch. I've heard they aren't to bad, some guys use the sub amps for competitions. The specs on this amp look pretty decent to me.
http://www.millionbuy.com/atksm41000.html (Message edited by 05mobiuslsv on November 03, 2009)
(Message edited by 05mobiuslsv on November 03, 2009)