Relec SA, based in Yverdon-les-Bains, Switzerland, is the company behind PSI Audio and specializes in designing and manufacturing high-quality loudspeakers. With a comprehensive facility that includes workshops for mechanics, woodwork, electronics, and an anechoic chamber, Relec SA also produces Rowen speakers and custom-built models. Beyond audio, their expertise extends to other industries, developing devices like seismographs, high-precision amplifiers, and acoustic tables for medical use. Their multidisciplinary approach ensures top-tier production and innovation across various fields.