HS 30EN can be easily aimed towards any direction by the adjustable wall-mount bracket, and can be successfully used in large spaces sounds systems, like malls, railway stations, undergrounds, factories, warehouses, and in all environments needing very high efciency sound emission. Equipped with transformer for 100 V and 70 V constant-voltage line. The unit is provided with power taps for four values. Complying to EN 54-24 rules this unit has ceramic terminal and a thermal fuse, therefore it’s suitable for voice alarm applications.