Speaker 49DIR012, featuring a self-extinguishing ABS body UL94-V0 and metal front grille, is equipped with a loudspeaker with transformer for constant voltage lines (50, 70 and 100 V), with adjustable output power (12, 6 or 3 W). The fixing system offers wall recess and suspended ceiling installation options. These speakers are designed and constructed for use in emergency and evacuation systems. They are equipped with a ceramic terminal block and thermal fuse to safeguard the connection line to the loudspeakers, in the event that a fire damages one or more speakers connected to it. Approved to EN 54-24.