the best way ive seen is using a old power supply out of a desk top computer it works awsome i got a toggle switch on mine so i can power it up with a flick of a switch just search around on google and u can find how to wire them id look but not at home now i know u have to connect to wires together to get it to send power thru the wires and power up that badboy i ran a rf 500.2 in my room for ever with one of these