The flush-mounted speaker Art. 49DIR106 has a body in black high-resistance self-extinguishing ABS and a removable front grille in white stainless steel. It is equipped with a 165 mm full-range loudspeaker and 100 V transformer with three power adjustment levels (6 / 3 / 1.5 W). 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 standard EN 54-24.