This video, via Keith McMillen Instruments, demonstrates using their new K-Board Pro 4 as a Multidimensional Polyphonic Expression (MPE) MIDI controller with the Dave Smith Instruments OB-6.
The K-Board Pro 4 gives you three-dimensional control over sounds – so left-right movement, pressure, and forward-back movement can all be used for expressive synth control.
Here’s a quick example of the K-Board Pro 4 being used as an MPE controller with GeoShred:
The K-Board Pro 4 is available to project backers starting at US $400. See the Kickstarter site for details.