KF instruments was founded by Klaus Fischer in 2026 for the manufacturing and distribution of the AUDIOS II. The company emerged from the former brand Klaus Fischer Sound Inventions , whose history documents the extensive background, development process, and many technical details that laid the foundation for KF instruments. Building on this legacy of innovation and craftsmanship, KF instruments continues the tradition of developing high-quality audio technology with a strong focus on precision, originality, and sound excellence.

Founded and led by Klaus Fischer (center).

From the very beginning, my work has been shaped by the exchange with musicians and friends who understood my ideas and supported me in bringing them to life. I would especially like to acknowledge the following:

Frank Wiedemann, Henner Dondorf, Henrik Schwarz, Mark Ernestus, Martin Gretschmann, Matthias Laufer, Matthias Millhoff, Nikolaus Heyduck, Ricardo Villalobos, Robert Henke, ...