AUSTIN, Texas--(BUSINESS WIRE)--REVx Technologies, an Austin, TX company, has debuted the REV33, specifically designed to provide a better, lower distortion mix and reduced ear fatigue for musicians and sound engineers using in ear monitors or headphones. Each REV33 is calibrated to work with the drivers in your specific in-ear monitors and headphones to greatly reduce ear-fatigue without touching the music. The profound effect of the REV33 has been validated with over 6 months of on-stage and