In concert video footage of Muse, I've seen both the guitarist and bassist use touch-pad devices integrated with their instruments.

What are these devices, and what are they designed to do?

  • He also has at least one guitar with ZVex Fuzz Factory built-in, as heard in "Plug-in Baby". Apr 11, 2016 at 20:22

1 Answer 1


Those are x-y MIDI controllers more commonly referred to as Kaoss Pads.

If you are familiar with a modulation wheel on a MIDI keyboard, you know you can assign that wheel to control any number of aspects of the instrument, from pitch bend, to volume, to vibrato, an LFO, or perhaps a filter. The x-y pad gives you two of those on a plane, with which you can control anything that's MIDI controllable (even lights if you've got the right setup).

  • 2
    Matt's guitars are made by Hugh Manson- mansonguitars.co.uk and quite a few have two- or one-dimensional midi controllers.
    – Doktor Mayhem
    Nov 6, 2012 at 8:42
  • A Kaoss Pad is a type of x-y midi controller (that's used by Muse). Other x-y midi controllers aren't called Kaoss Pads. Kaoss pad also has onboard effects and isn't just a midi controller.
    – yossarian
    Jul 22, 2015 at 21:46

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