when i am practicing at my house (on my crate XT25R) i have to plug my guitar and my mic into my amp(through an adapter) when i do this, all the voulumes are screwed up (thi mic is low the guitar is high) if i plug my guitar through a pedal and then into the adapter it makes the guitar a little louder and the mic a little louder too ,but not loud enough. HELP!!!!!!!