HK Audio, a privately owned company based in Germany, was founded in 1979 and operates under the parent company Music & Sales Professional Equipment GmbH. It employs approximately 30 individuals and reported $3.4M in revenue as of 2023. Specializing in high-performance sound reinforcement hardware, HK Audio serves the live sound, portable PA, and permanent installation markets. The company designs and engineers a hardware portfolio that includes the COSMO integrative line array series, the LINEAR 5 MK II and LINEAR 9 scalable systems, and the POLAR column PA series. Their product range extends to professional stage monitors (CONTOUR X), specialized installation speakers (VORTIS and SI series), and high-power subwoofers, most of which are manufactured in Germany.
