ONE is a complete public address and voice evacuation system, EN 54-16 certified, and with an EN 54-4 battery charger integrated into a single device. It has an innovative Wall & Rack design that allows for both wall and rack mounting, depending on the needs of each project. It is specifically designed for small and medium-sized installations. The ONE system is very easy to install and configure, thanks to its auto-setup function, saving time and costs.