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Ultra Electronics USSI HyperSpike®


Front Angled
Micro II Side View
Front Angled
Micro II Side View

HS-Micro II

  • 144dB SPL Peak Acoustic Output
  • Long range: 750+m
  • Narrow Acoustic Beam: ±15 DEGREES
  • Frequency Range: 400Hz-7kHz
  • Highly Intelligible Voice
  • STI: 0.85 Out of 1.0
  • Built-in High Frequency Alert Tone
  • Lightweight
  • Rugged Aerospace Composite Construction
  • Integrated Record/Play Functionality
  • Ergonomic Controls

Schedule a Demo

With its unique and proprietary HyperSpike® technology, the HS-Micro II, next generation of the HS-Micro, is a self-contained, portable acoustic hailing device.  Weighing only 15lbs, the HS-Micro II packs a peak acoustic output of 144dB for a communication range of 750+m.  Easily accessible, the built-in high frequency alert tone is readily activated with the push of a button.

The HS-Micro II easily penetrates high background noise environments to ensure that unmistakable commands and piercing alert tones are heard. Exceeding traditional megaphones and common hailing devices, the HS-Micro II

brings clear and intelligible commands and authoritative messages to the intended target with an exceptional STI rating of 0.85 out of 1.0.

The HS-Micro II is equipped with internal rechargeable batteries. Optional accessories include mounting options, HyperSpike® Mobile Application  for remote control capability, and a transit case. 


Crowd Control

Search and Rescue

First Responders

Law Enforcement

Campus and Public Safety

Emergency and Event Control

Maritime Communication

Border and Port Protection

Bird Control 

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