This is a dual language application in English and German. ic audio is the leading supplier for voice alarm speakers. The successful EN54 product line features a wide range of EN54-24 certified loudspeakers as well as an EN54-4 Emergency Power Supply Manager. This application gives planners, engineers, architects and suppliers access to the EN54 product catalog from phones or tablets. Full product details, photos, datasheets and diagrams are available from within the application. Save your favourites and create project bundles for fast and efficient planning.