If I make the mistake off actually playing the guitar while simultaneously switching from FRFR mode to speaker modeling on the PC112+ from the Helix using my JTV59, look out! Massive volume spike. Makes it very difficult for live use. I have to make sure I am not playing for a split second and try to time my switch, for instance when going from some acoustic strumming on the JTV59 using FRFR on the PC112+ to a heavier electric rhythm using speaker modeling on the PC112+... think "Feel Like Makin