Sennheiser has deployed its Spectera wideband wireless audio system at the restored Notre-Dame de Paris, supporting daily services, public access, and live broadcasts following the cathedral's reopening.
The system was selected by integrator Novelty after evaluating multiple wireless technologies. The key requirement was stable audio coverage across the cathedral's full length and width, including side chapels, while keeping equipment discreet within the historic structure. Traditional digital wireless systems would have required a larger antenna network and complex zoning, making them less suitable for the site.
Spectera's wideband architecture enabled broader RF coverage with fewer antennas and simplified cabling through Ethernet and fibre connectivity. The setup was tested on site during the reconstruction phase, with Sennheiser supplying a temporary pre-production configuration to meet tight reopening timelines.
Today, the system supports five daily services and regular television broadcasts, with microphones used for clergy, choirs, and altar audio. The Spectera base station occupies a single rack unit and integrates with the cathedral's DiGiCo console over Dante. The installation has also been designed to scale, allowing additional antennas and channels to be added for outdoor services or large events without system restarts.
