This loudspeaker is tested by a notified product certification authority and certified to EN 54-24:2008. 
This built-in loudspeaker is equipped with two speakers and two transformers. It allows an elegant and space saving way for the A/B wiring of the alerting loudspeakers according to DIN IEC 60849/VDE 0828 and VDE 0833-4.

 

Please consider the following features:

• The plastic housing made of flame-retardant plastic to UL-94 ensures boom and swing release. 
• Two powerful 4˝x2,5˝ oval full range speaker with tweeter cone and two high quality transformers provide a safe A/B wiring. 
• The fixing is burgle proof and can be mounted horizontally, vertically on wall or ceiling.
• Optimal sound quality for voice alarm announcements and corresponding attention and alarm signals.