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For more than 40 years we have been designing and manufacturing innovative and high-quality public address, background music and voice evacuation systems in Spain.
We were the first company in Spain to obtain the demanding EN 54-16 certification and today we export to more than 60 countries around the world, with more than 2,000 projects installed.
We generate technological solutions for safer and more comfortable spaces: public address and voice alarm systems, loudspeakers, amplifiers, microphones, alarm panels and audio accessories for installers, engineers and integrators.
All our products are developed and manufactured at our headquarters in Málaga TechPark.
LDA PA/VA systems are installed in different sectors including:
If you want to learn more about EN 54 standards and the installation and maintenance of public address and voice alarm systems, we have the tools you need. Learn with our learning programs through online courses, live sessions and on-site training for partners, customers and technical professionals.
Access up-to-date content, created by our specialists, with a practical and dynamic approach. Solve your doubts and apply what you have learned in real cases.
Join us from April 28-30, 2026, at The Fire Safety Event, where industry professionals gather to explore the latest in fire protection and prevention. Visit us at stand 4/E57 and discover how our EN54-certified PA/VA systems enhance building safety.
Our partner in Central Europe Gräf & Meyer organizes specialized training about our EN 54-16 certified systems NEO and ONE. You can book the seminars on their website throughout the year.
Read our whitepapers and technical articles for installers
LDA systems are noted for being very cost-effective. LDA uses technologies that remarkably reduce costs of installation and maintenance.
LDA systems can be easily integrated with third-party systems (SCADA, TETRA, Fire Detection, etc.) through open IP protocols, RS-485 or even contact relays.
LDA systems can be remotely managed, controlled and supervised from the data network with the web-based software SIME.
LDA systems are manufactured with high quality standards and are certified according to the latest normative standards for voice evacuation systems (EN 54-16 and EN 60840).
LDA systems use cutting-edge technology, are very flexible and easily scalable.
Over more than 40 years, we have accumulated a vast experience in the development and implementation of PA/VA solutions in hundreds of projects. LDA systems can fulfill the most stringent requirements and meet high levels of satisfaction from clients and partners.
Finalized projects
Years of experience
Released products
Countries
Adding value to your business
Our main goal is to grow with you towards the future. The success of our partners and clients is ours too.
Close and direct business relationships
We demonstrate care and trust in the business relationship.
We offer effective solutions
No matter what requirements you have, we are flexible and can adapt the proposal to the solution that better fits each situation.
Would you like to partner with LDA?
SICUR has held its 2026 edition, an ideal occasion to showcase how our EN 54-certified public address and voice evacuation system can be easily and reliably integrated into all types of projects....
Connection. This word could sum up our experience at Integrated Systems Europe (ISE) in Barcelona, after four intense days at the show...
LDA Audio Tech has certified its management system under three international reference standards: ISO 27001 (information security), ISO 45001 (occupational health and safety) and ISO 14001 (environmental management)...
European Regional Development Fund
A Way To Make Europe
LDA Audio Tech has taken part in the ICEX-Next Export Initiation Program, with the support of ICEX and the co-financing of European ERDF funds. The purpose of this support is to contribute to the international development of the company and its environment.
