Alertus Mobile High Power Speaker Arrays (MHPSA)

The Alertus Mobile High Power Speaker Array provides siren tones and crystal-clear voice messaging capability from a flexible mobile trailer. In an emergency, the Alertus MHPSA can be pulled with a standard trailer hitch and deployed in less than 15 minutes.

Alertus MHPSA Key Features

  • Breakthrough Text-to-Speech (TTS) Technology: Industry-leading text-to-speech technology provides enunciated emergency notifications, pre-recorded messages, and live voice paging

  • No installation required: Pull the MHPSA to your desired location and begin broadcasting notifications within minutes

  • Reusable: Bring your Alertus MHPSA to seasonal events or move it as needed depending on the emergency

  • Expandable: Multiple MHPSAs can be added to cover a large area

  • Integrated: Easily integrates with other alerting solutions

Trailer Features

  • Trailer hitch: Pulled with vehicle

  • Easy-to-use: Swing-out grade leveling outrigger stabilizer jacks

  • Two Wheels: Built for easy placement and maneuverability

  • High-altitude hand crank

  • Durable paint

Download: Alertus MHPSA Datasheet

Outdoor Notification Use Cases

Purpose-built to serve at-risk and critical spaces 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 as a temporary public address system during emergencies. The MHPSA is suitable for a wide range of outdoor applications, including:

  • Sports fields

  • Firework displays

  • Evacuations

  • Community alerts

  • Imminent threat notices

  • Festivals

  • Carnivals

  • Crowd control

  • Shark sightings/warnings

  • Natural disaster announcements

 
 

MHPSA Specifications & Capabilities

The Alertus MHPSA can be used as a standalone unit or part of an integrated and distributed warning system utilizing multiple MHPSAs, depending on your organizational needs.

Electrical Power

  • High Efficiency: 10A, 350W Universal AC input battery charger (110-220VAC)

  • Input Power: 24vdc, using sets of two 12V maintenance-free batteries 

  • Intelligent Battery Charging: Optimization based on modern algorithms to prolong battery life

  • Solar Panel (Optional): 200 Watt Panel 

  • Generator: AC generator with diesel or gas reservoir 

Audio

  • Audio Output Power: 300W, 600W, 900W, 1200W

  • Intelligibility: Crystal-clear voice messages that come with a library of tones

Communication

  • Analog & digital radio communication

  • Secure hardwired IP connectivity 

  • Digital modem (GPRS or Satellite) 

  • Redundant communication modalities

Operational Characteristics 

  • Over 90% energy efficient 

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

  • 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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