new Radio Gremlin..static on all inputs
 

I have a 08 4.8i and out of no where I'm getting static on all inputs. It's not super load but it's always there. Even when I mute or shut the radio off the static stays exactly the same. I'm out of warranty so I'm on my own on this one. hopping maybe a lose wire or something?? Anyone have any ideas of what to check?