DUP 5EN is a 6W wall surface mounted speaker certified EN 54- 24:2008. It is suitable for evacuation / alarm messages, paging and background music. Its body is made of ABS and includes a 5.5” loudspeaker (externally protected by a grille) and a transformer for 100 V (/ 70 V) constant voltage lines with the possibility to set the power during the installation (tapping). It has a ceramic terminal strip (inside) to connect in / out cables. Its thermal fuse prevents damages to the audio line due to excessive speaker heat.