Voodoo Lab Ground Control Pro, fully-featured MIDI foot controller, compatible with all MIDI-controlled devices. Reconfigure your entire sound with the touch of a single button, with the addition of the GCX Guitar Audio Switcher you aren't even limited to MIDI devices, you can also control pedal effects, select amp channels, plus many other functions. Simultaneously control up to 8 different devices, each on their own MIDI channel, it will also control up to four GCX Guitar Audio Switchers and with the System Mix Plus stereo mixer, you can name each of your presets on the bright, stage-friendly alphanumeric display. Use volume or expression pedals to add realtime control of your sound with MIDI continuous controller messages, 8 assignable buttons for instant access to GCX loops and processor functions - this gives you stompbox-style control over your processor or modelling amp, whether controlling a refrigerator-sized rack, using a modelling amp, or just a single processor, the Ground Control Pro is the perfect choice for all of your performance needs. Dimensions: 42.5 x 27.5 x 65mm (WxDxH).