If the speaker is used for fire and emergency announcement, it must comply with EN 54-24. The DNH loudspeaker VES-561-54(T) is tested and certified according to EN 54-24.
Product data
Material/Colour: Steel / Alu / White RAL 9010
Mounting: 3 screws
Termination: Ceramic terminal
Weight: 1,1 kg
IP Rating: 32C
Max./min.amb.temp: 90 ̊C / -20 ̊C
Rated power: 6 W
SPL 1W/1m: 90 db
SPL Rated Power: 97 db
Effective freq. Range: 100Hz - 13000Hz