i dont have a lot of money and im working with a powered mixer so i dont have a lot of choices. if i went with thishttp://www.amazon.com/PYRAMID-CR-79G-ELECTRONIC-3-WAY-CROSSOVER/dp/B0002BEYTK/ref=sr_1_548?ie=UTF8&s=electronics&qid=1232740907&sr=1-548
how would i power it in my house, which is where im using it?