Voice Alarm & Public Address

ASL and Voice Alarm

Making life safer for millions of people every day. Compliant, reliable and innovative.

Public spaces and businesses require a Voice Alarm system to keep people informed in all kinds of emergency, and to assist with evacuation. These systems need to work continuously, report any faults, and be easy to use. ASL Voice Alarm systems are scalable, reliable and use the minimum power, for maximum savings. Used in thousands of buildings and transport hubs worldwide, ASL systems ensure peace of mind.

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Compliance & Cyber Security

ASL solutions are certified to the most stringent of British, European and International standards, such as EN 54, BS5839-pt8, CSA and UL, to name a few.

To secure the Voice Alarm system and ensure uninterrupted operation: ASL’s solution supports full encryption and authentication of control and audio data, including 2Factor authentication for tools and configuration management.

High Efficiency

ASL’s novel power amplifier and power supply design combines the excellent audio performance expected from a professional audio system with the high efficiency and low quiescent consumption needed for a battery-backed Life Safety System. ASL’s multichannel amplifiers can also be configured to provide the exact power requirement to each zone, with no waste.

Very low power consumption and heat output, enables an extremely competitive cost of ownership.

Peace of Mind

With more than 25 years experience of designing and developing Public Address and Voice Alarm products for critical infrastructure and transportation applications, ASL offers peace of mind. You can rely on ASL solutions to work, and to continue working, throughout the life of the system.

Our PAVA systems will deliver the message to where it needs to be heard, when it needs to be heard. Long, reliable, product life also means lower ownership costs and low whole life costs.

Case studies

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The World Expo 2020

Zenitel deliver an integrated, site-wide PAVA/BGM system for the world-renowned exhibition of innovation, technology and sustainability, streamlining communications and entertaining visitors, while keeping them safe.

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Tunelový Rozhlas Case Study

Slovakian highway construction and maintenance company, Národná dialničná spoločnosť, a.s., recently deployed a sophisticated ASL Voice Alarm (VA) system for three motorway tunnels on the…

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London Underground

In November 1987, a devastating fire took hold at King’s Cross Underground Station. In response to the tragedy, London Underground Ltd (LUL) ensured that installation…

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Ringhals Power Station

Operated by Vattenfall, a Swedish power company wholly owned by the Swedish government and one of Europe’s largest retailers of electricity and heat, Ringhals nuclear…

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U-Arena

ASL partnered with its French distribution partner FreeVox and project integrator Videlio, France, to deliver a comprehensive EN54 compliant, multizoned sound system for the new…

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Holmestrand Railway Station

Holmestrand train station is a new station engineered into the mountainside of the Holmestrand municipality along a tunnel 12km in length. The officially titled “Holm-Nykirke…

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