BERKELEY, CA, USA: innovative hardware and software developer Keith McMillen Instruments is inviting capital investment for its innovative K-Board Pro 4 — a four-octave MIDI (Musical Instrument Digital Interface) keyboard controller that is MPE (Multidimensional Polyphonic Expression) compatible with multiple dimensions of touch sensitivity in each key, and a duly desirable device which will be the next product to come out of KMI Labs (https://www.keithmcmillen.com/labs/), the R&D (Research and Development) division of Keith McMillen Instruments, further forging the appeal of the cutting-edge company — courtesy of a Kickstarter campaign kicking off as of November 16…