Product in focus

Bosch Praesideo Voice Alarm Control Equipment
Bosch Praesideo

A fully digital public address, voice evacuation system that meets all the requirements placed by professional users. It brings highly innovative and advanced digital technology to the public address market. The processing and communication of both audio signals and control data entirely in the digital domain makes the system superior to other public address and emergency sound systems.

Product features like redundant cabling, spare amplifier switching, system supervision from microphone capsule up to last EVAC compliant loudspeaker, unique WLS ”Wire free” line and loudspeaker supervision, up to 256 priority levels for background music, business- and emergency calls, fault logging and 48 Vdc backup power position this IEC 60849 certified...


Gent's EN54-23 certified S-Quad devices installed at The University of Leicester

The solution includes Vigilon Compact panel together with EN54-23 certified S-Quad devices...

Biamp launches additional training sessions for the Middle East and Asia

The sessions deliver technical concepts needed for designing, installing, and commissioning audio...

Biamp supplies its Audia digital audio platform to Galveston Island Historic Pleasure Pier

By implementing Biamp’s AudiaFLEX platform, the Pleasure Pier team gains the power of DSP...

E2S to exhibit at Offshore Europe 2014

E2S will exhibit its latest range of signaling, wide area signaling and fire and industrial...

Gent installs its EN54-23 compliant S-Quad visual alarm devices at Royal Spa Centre

The new S-Quad VADs help alert occupants in noisy environments and the hard of hearing Gent...

EN 54 is the European standard for voice alarm products. It is part of the European Union's Construction Products Directive. The use of EN 54 certified products for all new voice alarm installations became mandatory in April 2011.

This requires products to be tested by an independent, accredited test laboratory and certified by an accredited certification body.

Subsidiary standards govern the requirements for:

Read more about the EN 54 standard

SourceEN54.EU, the comprehensive source for EN 54 certified voice alarm and public address systems & components.
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