AFI (Audio Fidelity Improvement) is a German company specializing in the development and manufacture of equipment for the care and sonic optimization of vinyl records. AFI was founded in close collaboration with the renowned HiFi Studio Wittmann in Stuttgart. Behind the brand are Dr. Ullrich Kathe, a passionate analog enthusiast and developer, and Oliver Wittmann, who, with his many years of experience in high-end audio distribution, is responsible for market and sound testing.

AFI was founded with the goal of offering vinyl lovers a solution for warped records that not only eliminates visual defects but also significantly improves the sound quality of the record. The devices are entirely developed and manufactured in Germany, with great emphasis on the highest precision, material quality, and sustainable manufacturing.