Arxiduc Audio, a privately owned company headquartered in Japan, was established in 2013. The company, which operates with a staff of approximately 45 professionals, is a sound reinforcement company dedicated to professional live audio. It was the first in Japan to adopt the DiGiCo Quantum 852 flagship console. The company provides audio for high-end concerts and complex installations, integrating technologies such as KLANG immersive mixing to deliver reliable, scalable, and innovative sound solutions. Arxiduc Audio supports local development through its official sponsorship of Yokohama FC and its "Regional-Oriented CSR" policy.