
What are LRSDs?
Our directional sound system is designed for Improved real-time communication or broadcasting pre-recorded audio messages. Sound emission In in a defined direction At high volumes increases the intelligible distance of voice reception, allowing clear communication even in the noisiest of environments.
A directional audio system is a practical tool for professionals who can rely on proven technology to enhance their ability to communicate and protect people.
It can be used in a variety of situations, for example in noisy places such as airports, railway stations, construction sites, sports stadiums or outdoor gatherings, and can also be used by fire and rescue services to broadcast warning messages or instructions to specific groups of people.
Its versatility makes this system an invaluable tool wherever clear and strong communication is essential.
Some models can also be used to manage and keep crowds at a safe distance, using unpleasant noises to discourage people from approaching security forces or protected areas.
Uses - for whom in which sectors?
Suitable for:
- Airport
- Train stations
- Construction site
- Stone quarries
- Sports stadiums
- In turmoil
- Outdoor Assembly
Ideal for sectors:
- Public safety
- Organisation of events
- Agriculture
- Emergency services

Variants
The system is available in two variants that serve different purposes and distances.
The civilian version is primarily intended only for the transmission of a message over a defined distance, at a defined angle.
The version for armed forces has the possibility to use the device for crowd control.
For more information and individual consultation, please do not hesitate to contact us.
Civil

Armed Forces

Main advantages

Alliance Groupe

is a renowned French company specializing in the development and production of advanced technologies for the armed forces. With years of experience in the field, it provides innovative solutions that enhance the efficiency and safety of military and security operations.
Our Mission
Our goal is to equip the armed forces with modern technologies that support their operational capabilities and ensure their readiness for different types of missions. We believe in continuous development and adaptation of our products to the changing needs and challenges of today's world.
Key Products and Services
- Communication Systems: Highly secure and reliable communication technologies for battlefield coordination.
- Tracking and Monitoring Systems: Advanced survey and monitoring solution, providing real-time, up-to-date information.
- Defence Technology: Innovative defence systems and equipment designed for maximum protection of personnel and assets.
- Training and Simulation: Realistic training programs and simulation technologies to prepare for different scenarios.
Research and Development
We invest in cutting-edge research and development to ensure our products remain at the cutting edge of technological advancement. We collaborate with leading research institutions and industry experts.
International Presence
Alliance Groupe not only operates in France, but also has a strong international presence. Our technologies are used by armed forces all over the world, confirming their quality and reliability.
Commitment to Quality
We are committed to the highest standards of quality and safety. Our products undergo rigorous testing and certification to meet the most stringent standards and requirements.