REVx Technologies is the creator and developer of REV33. REV33 is a revolutionary audio technology that dramatically reduces the symptoms of tinnitus and ear-fatigue from listening to music. REVx Technologies was founded by Brett Butler, Dr. Dennis Rauschmayer, Karl Kipke and Bryan Anderton. The founders each have a passion for music and wanted improve the performance experience of music professionals and listening experience of music lovers. Brett and Dennis are career electrical engineers and together have nearly 50 years of experience managing hardware and software R&D teams and leading complex businesses in the semiconductor industry.  Both are driven by an inherent desire to apply technology in ways that can make a profound impact in how music is delivered to the listener.