The Whelen HORNET™: A Compact and Powerful Solution for Modern Mass Notification
When legacy electro-mechanical sirens no longer meet today’s emergency communication standards, the Whelen HORNET™ Series offers a reliable alternative. Designed for precision, dependability, and ease of use, this robust siren system delivers rapid and effective public warnings. With its compact, powerful design, advanced technology, and seamless integration capabilities, the Whelen HORNET™ Series is a dependable solution for mass notification. Paired with MCA’s expert services, this system helps ensure communities, facilities, and agencies are prepared for critical challenges.
Compact, Durable Performance
At the core of the Whelen HORNET™ Series is its high-efficiency 400-watt speaker driver mounted on a precision-engineered rotor assembly. This configuration is capable of projecting clear and penetrating alert tones over an estimated 70 dB range of up to 2,400 feet (730 meters). Whether responding to natural disasters, industrial incidents, or security threats, the HORNET™ ensures that your message will be heard across the community.
This performance is matched by its rugged construction. The speaker assembly is housed in a weather-resistant Type I aluminum cabinet. The natural finish offers protection against environmental wear and extreme conditions. From areas prone to severe weather to remote industrial sites, the HORNET™ operates reliably in tough environments. Its compact design and optional pole-top mounting bracket allow for flexible and efficient installations.

Advanced Activation and Control Options
Ease of control is another defining feature of the HORNET™ Series. Supporting both one-way and two-way control configurations, the system is adaptable to a variety of operational needs. Key control options include:
- Contact Closure Activation and Monitoring: Auxiliary boards (HAUXIN for one-way, HAUXCS for two-way) provide reliable contact closure activation and monitoring, ideal for situations requiring real-time system commands.
- Landline and Radio Integration: The HORNET™ integrates seamlessly with landline activations (HD2030LL, HC2030LL) and supports VHF high-band and UHF narrow-band radio communication (HD230NV, HD230NU, HC230NV, HC230NU). These options ensure compatibility with existing communication infrastructures.
- Two-Tone Sequential Signaling: The HORTT module allows for flexible two-tone sequential signaling, widening the scope of communication scenarios the system can address.
- Enhanced Situational Awareness: Optional add-ons, such as the HSTATUS LED status indicator, HPGINT paging interface, and HINTRU intrusion alarm, further strengthen the system by providing real-time insights and heightened security.
Additionally, the system incorporates the SI TEST® diagnostic feature, allowing operators to perform silent readiness checks. This helps maintain the operational integrity of the system without causing unnecessary disruptions.
Reliable Power with Sustainable Options
The Whelen HORNET™ Series ensures uninterrupted functionality with robust power management solutions. Operating on a battery-powered system, it can achieve 15 minutes of full-power output even during electric grid failures. Whelen-approved batteries, combined with an AC temperature-compensated 5-amp battery charger, maintain operation readiness while extending battery life.
For users seeking renewable energy solutions, the HORNET™ offers a solar power option. With dual 80-watt solar panels, this system enables off-grid operation, adding a layer of resilience for remote or disaster-prone locations.
Acoustic Excellence
With six distinct public warning tones—Wail, Whoop, Attack, Hi-Lo, Alert, and Airhorn—the HORNET™ communicates clearly across a range of emergency scenarios. Each tone is distinct, ensuring quick recognition and comprehension under stress. The system’s acoustic profile is engineered for superior clarity and consistency, even in acoustically challenging environments.
This ensures maximum impact, allowing emergencies to be communicated effectively to diverse audiences within its coverage area.


Designed for Extreme Environments
The HORNET™ Series is engineered to withstand challenging environmental conditions. It operates flawlessly within a temperature range of -35°C to +60°C and can be stored in conditions as extreme as -65°C to +125°C. Designed for non-condensing humidity levels up to 95%, the system continues to function in severe weather, such as heavy rain or snowstorms.
From coastal cities with high salt air exposure to arid deserts prone to abrasive winds, the HORNET™ delivers dependable performance.
Seamless Integration with MCA Support
As a Premier Dealer for Whelen, MCA provides the highest level of sales and support across the entire Whelen product line, ensuring unmatched expertise and service.
Whelen’s products, including the HORNET™ Series, integrate seamlessly with MCA’s RapidWarn platform, providing operators with centralized control. This advanced platform enables real-time monitoring, automated activation, and streamlined management of mass notification systems.
MCA also plays a pivotal role in ensuring the success of your Whelen deployments. Their team of engineers offers end-to-end support, including system assessments, custom design solutions, and professional installations. From upgrading older sirens to scaling an existing emergency network, MCA ensures a smooth, effective transition to future-ready technologies.
Why Choose the Whelen HORNET™ Series?
The Whelen HORNET™ Series combines cutting-edge technology with operational simplicity, making it the ideal choice for modernizing any mass notification system. Its compact yet powerful design ensures far-reaching acoustic performance, while its advanced control options and power reliability guarantee continuous readiness. Connect this solution with MCA’s expertise, and you have a comprehensive, trustworthy system tailored to your emergency management needs.
When every second counts, the HORNET™ Series delivers precision, clarity, and confidence. Reach out to MCA today to explore how this solution can reinforce the safety and preparedness of your community or organization.
About MCA
MCA is one of the largest and most trusted technology integrators in the United States, offering world-class voice, data, and security solutions that enhance the quality, safety, and productivity of customers, operations, and lives.
More than 65,000 customers trust MCA to provide carefully researched solutions for a safe, secure, and more efficient workplace. As your trusted advisor, we reduce the time and effort needed to research, install, and maintain the right solutions to make your workplace better.
Our team of certified professionals across the United States delivers a full suite of reliable technologies with a service-first approach. The MCA advantage is our extensive service portfolio to support the solution lifecycle from start to finish.