Description: Hipro 2 Digital Hearing Aid Programmer Programming Machine For All brand Programmable Hearing Aids HI-PRO 2 is a universal hardware interface for programming all types of hearing instruments. The HI-PRO 2 is the successor in the HI-PRO series. Over time the HI-PRO classic and the HI-PRO USB have served the industry for millions of fittings all over the world. HI-PRO has become synonymous with reliability and compatibility. .