Founded in 1965 by Rudolf Twelker in Cologne, Germany, RTW has been contributing to technological advancements in the professional audio industry by providing high-quality audio monitoring solutions for broadcasting, production, post-production, and quality control.
With its innovative devices and technologies, RTW continues to shape the industry and set standards in professional audio.
Originally established as a service provider for audio equipment, the company evolved into a key player in professional broadcasting and audio metering technologies, with a strong focus on developing advanced sound systems.
RTW has played a significant role in the development of standardized practices for global audio quality control, particularly through its contributions to the creation of international loudness measurement standards via the EBU P/Loud working group of the European Broadcasting Union.
