NAMM '15 - RJM Music Technology Mastermind PBC Switcher Demo Charles SaufleyFebruary 13, 2015VideoRon Menelli shows off his first switching unit designed for use on a pedalboard.whats-newvideosmidigear-show-demopedalboardnamm-2015effectsrjmgearGearEffectsVideosNAMMReviews