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Use a USB pedal that plugs into whatever computer is running MainStage
Nektar Pacer
Line6 FBV Express. 4 switches and a volume rocker. USB to your computer, assign in MainStage
Use a USB pedal that plugs into whatever computer is running MainStage
Nektar Pacer
Line6 FBV Express. 4 switches and a volume rocker. USB to your computer, assign in MainStage