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Opus Technologies is a French manufacturer specializing in innovative audio solutions that transform public venues into inclusive and connected spaces. As one of the first companies to deploy Auracast™ systems specifically designed for shared environments, we proudly lead the way in wireless audio broadcasting for accessibility. Our expertise spans a comprehensive range of products, including hearing loops (induction loops) that provide crystal-clear sound directly to hearing aids and cochlear implants, window intercom systems that ensure clear conversations at reception desks and ticket counters, robust UHF wireless systems for flexible audio transmission, and tour guide solutions that deliver engaging experiences in cultural sites, factories, or corporate settings. At Opus Technologies, we believe that audio is far more than technical performance—it is about human connection. Our mission is to break down barriers for people with hearing loss by making speech and music accessible everywhere, from theatres and conference halls to transportation hubs and public service spaces. As a true manufacturer, we design, engineer, and assemble our solutions with a commitment to quality and reliability. We collaborate closely with AV integrators, consultants, and facility managers to ensure our systems not only meet technical standards but also fit seamlessly into each unique environment. Driven by innovation and a deep understanding of real-world needs, we continue to push boundaries by integrating the latest technologies like Auracast™, which opens up new possibilities for scalable, universal listening experiences. By focusing on both accessibility and exceptional sound quality, Opus Technologies contributes to creating public spaces that are welcoming and inclusive for all. Whether you need to enhance visitor experiences, comply with accessibility regulations, or simply offer outstanding audio clarity, our team is here to support your project from concept to completion.

OPUS TECHNOLOGIES Questions

The OPUS TECHNOLOGIES annual revenue was $4 million in 2026.

Lucas Castelnau is the Gérant principal of OPUS TECHNOLOGIES.

7 people are employed at OPUS TECHNOLOGIES.

OPUS TECHNOLOGIES is based in Martillac, Nouvelle-Aquitaine.

The NAICS codes for OPUS TECHNOLOGIES are [811, 81, 811212, 8112, 81121].

The SIC codes for OPUS TECHNOLOGIES are [737, 73].

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