I am going to build a stereo box, possibly even make it a table, using 4 door speakers an extra double din kenwood radio I have and a small subwoofer and amp. The biggest problem I am having with designing it right now is figuring out a way to run it off of AC power. I need to find a converter that plugs into the wall and on the other end has positive negative wires. If I can't do that then I guess I will need to get some small 12v batteries to run it. I don't want to do this because of having to recharge the batteries. I just need some help planning this and need some tips or ideas for powering it.