I dont have this particular model right now, but if you need a cheap replacement look on the bottom of the unit for dcv output. Prolly 9v but check, then look for milliamp or amperage. Take the unit to radioshack and tell them you need a replacement power cord for it. Theyll size the plug to fit and check the dc v and amps. If the unit doesnt say, then check on solid signal if it says.