Public announcement system for office floors, shopping malls, reception areas and waiting rooms * Background music & advertising in supermarkets, airports, train and bus stations * Remote learning programs / webinars * Audio transmissions in hotels, offices, hospital wingsAn announcement via Snom PA1 is effected simply by initiating a call from a Snom telephone (not included) with its handset, headset, or via hands-free mode. An efficient 4-Watt amplifier provides sufficient coverage for the entire room or floor space. Several Snom PA1 units can be connected to each other via the built-in switch and can be connected with any loudspeaker, thus enabling a great cost-saving contribution with already installed c * Features - Hall Pass Timer - Help students manage the time they are out of your classroom. The same time is kept on both the electronic "hall pass" and the teacher monitor that sits on your desk. Both pass and monitor feature "times up" warning lights and alarms.