Featuring EN 54-24:2008 certification, the WM 563(EN) is equipped with a 120 mm dynamic full-range loudspeaker, optimized for spaces without false ceilings like stairwells and concrete-ceiling rooms. Its vented enclosure and metal mesh cover enhance sound quality and protection, while flexible mounting options ensure precise sound projection. The robust design guarantees secure and durable installation. It also includes a ceramic connector, thermistor, and capacitor for enhanced reliability and performance. The Fire Retardant ABS enclosure ensures added safety and compliance with stringent regulations.