Try this: http://www.amazon.co.uk/Lanzar-Channel-Stereo-Amplifier-1000w/dp/B003CN5NTA/ref=sr_1_1?s=automotive&ie=UTF8&qid=1298814876&sr=1-1 I have a 12" Audiobahn sub running off it. It's tiny which makes it very practical (you can hold the whole thing in one hand comfortably), it doesn't heat up too much and has plenty of power. I've done the same as you're wanting to do. I'll get some pictures up later