If the speaker is used for fire and emergency announcement, it must comply with EN54-24. The DNH loudspeaker VES-561-54(T) is tested and certified according to EN54-24.
Material/Colour:Steel /Alu/ White Ral 9010
Mounting:3 screws
Termination:Ceramic terminal
Weight:1,1 kg
IP Rating: 22
Max./min.amb.temp:90 ̊C / -20 ̊C
Rated/max power:6 W / 6 W
SPL 1W/1m:90 db
SPL Rated Power:97 db