Alertus’ Mobile High Power
Speaker Array (MHPSA) Roadshow

Alertus’ Mobile High Power Speaker Arrays (MHPSA) Roadshow Coming to a city near you!

2021 MHPSA Roadshow Program

The Alertus Mobile High Power Speaker Array (MHPSA) is an audible speaker system integrated with a mobile trailer unit to provide intelligible, effective notification to widespread, outdoor areas. Alertus will conduct an in-person MHPSA demonstration in your city so you have the opportunity to see the power, flexibility, and potential of the speaker system in a safe environment.  

We are limiting capacity to allow for social distancing and require a registration to secure your spot. Please reach out to your sales representative or contact for more information.

More about the Alertus MHPSA:

  • The Alertus MHPSA provides both siren tones and crystal clear voice messaging capability using industry-leading text-to-speech technology, pre-recorded messages, and live voice paging. 

  • Can be customized to address any site-specific need. 

  • In an emergency, can be pulled with a standard trailer hitch and set up in less than 15 minutes. 

  • Depending on your organization’s needs, it can be used as a standalone unit or part of an integrated and distributed warning system utilizing multiple MHPSAs.

Covid Precautions: Your Safety Is Our Priority

Roadshow guests must adhere to all state and CDC-mandated guidelines for COVID protocols. Additionally, we are taking the following precautions to ensure your safety: 

Everyone must wear a mask at all times indoors.

  1. All MHPSA Roadshow locations will be held in large outdoor areas and event capacity will be limited, allowing everyone to socially distance. 

  2. If you are feeling sick, please stay home

  3. We will provide a hearing protection aid for everyone on-site, and we highly encourage you to wear it. The speaker has the power to output messages at 300W, 600W, 900W and 1200W.

What does it do?

The Alertus Mobile High Power Speaker Array (MHPSA) provides both siren tones and crystal clear voice messaging capability on a mobile trailer.  


How can it be used?

Purpose-built to serve at-risk and critical areas such as staging areas, field bases, and pop-up medical facilities. The Alertus Mobile High Power Speaker Array is ideal for command and control of units, and for use as temporary public address for events, crowd control, and general community communications.

Alertus Mobile HPSA Trailer for rapid deployment of outdoor mass notification

How does it work?

In an emergency, the Alertus MHPSA can be pulled with a standard trailer hitch and set up in less than 15 minutes after arriving on scene. 

Depending on what best suits your organization’s needs, the Alertus MHPSA can be used as a standalone unit or part of an integrated and distributed warning system utilizing multiple MHPSAs.

Operational Characteristics 

  • Over 90% energy efficient 

  • Working temperature range of -40°C to 85°C 

  • Intelligent connectivity allows over-the-air configuration updates 

  • Up to 75 minutes of continuous full-power operation 

  • Stainless steel cabinet featuring separate vented battery and electronics compartments 

Intelligent Status Monitoring 

  • Self-monitoring and reporting capabilities including AC status, solar panel status, charger status, communication link status, battery status, amplifiers status, speaker status, and intrusion detection 

  • High current/short circuit; high-temperature protection 

  • Enhanced automatic testing routines 

  • Internal memory storage of all events related to siren activities 

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