Hi i think we all have the same problem, mine does the very same only i am using the guitar rig 4 foot pedal rig which is awesome, this unit so my brother said has studio quality sound on board ,oops bro just said its a kontrol rig and has its own sound,any ways i connected it up and some times it works brilliant and some times it dont ,it must be some thing i am doing when i set it up ,as i get it working some times ,