OPTIMUS, the leading Spanish company in the design, manufacture and distribution of public address (PA), voice alarm (VA) and intercom equipment.


The acoustics of tunnels require specialist solutions for evacuation and voice-alarm systems, both to ensure the intelligibility of the messages broadcast and to overcome the ambient noise and inherent confusion in these situations. The length of tunnels also requires the power stages to be distributed and linked via the network in order to synchronise the broadcasting of announcements and process audio signals with filters and delays.

We appreciate the information provided by our partners and we used it to prepare this list of representative works.

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