Boss Katana vs Cry Baby Mini Wah Pedal - BOSS vs DUNLOP (Episode 4) - YouTube
So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I
Review: Boss Katana-100 MkII | Guitar.com | All Things Guitar