Voodoo Lab Ground Control Pro

Midi Foot Controller

Simultaneous control of up to 8 MIDI devices8 assignable instant access switchesControls up to 4 GCX Guitar Audio SwitchersBright, stage-friendly alphanumeric displayName each presetUse volume/expression pedals for real-time control of your sound via MIDI continuous controller messages

https://www.amazon.com/gp/product/B001G7FBXM/ref=as_li_tl?ie=UTF8&tag=protootut-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B001G7FBXM&linkId=f53e7cd5842f468a5b0ed0c109b23ec4