Center of National Monuments 
Audiopass, CMN's official audio guide


The Center of National Monuments (CMN) is in charge of a hundred monuments of exception, spread-out all-over France. Among them, the Abbey of Mont-Saint-Michel, the Château d’Azay-le-Rideau, the Medieval City of Carcassonne, or the Pantheon, to name but a few.


In 2017, the CMN issued a call for tenders for the installation, distribution and maintenance of an audio guide system in twenty of its cultural sites.

–       The main challenge was to propose a system capable of meeting each sites’ specific needs, while enhancing their cultural offer.

–       Given the number and diversity of visitors, it was essential to offer a tool accessible to all audiences and solid enough to sustain intensive usage



Sycomore won the CMN’s call for tender presenting the audioguide Audiopass along with its production services.

  • The Audiopass has proven its efficiency in more than a hundred sites in Europe. It is known for its reliability and robustness.
  • The device disposes of the latest triggering technologies and the aspect of a traditional audio guide.
  • Monuments are free to choose between manual commentary triggering (via the keypad on the device), automatic triggering (through infrared radiation) or a semi-automatic triggering. Therefore, each site is able to manage visitor flows as they please.
  • The ability to collect quantitative and qualitative usage statistics allows the twenty sites to become better acquainted with their audience.
  • The Audiopass enhances cultural sites by setting forth accessible and captivating audio content.The device is perfectly adapted to adults, children and people with disabilities.

« The audioguides Audiopass quickly demonstrated their maneuverability and ease of use, but also their adaptability to all types of monuments. The high battery autonomy allows the reception teams to distribute them with confidence»

Annabelle Lauvray, The Audience Department, Center of National Monuments