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Enjoy some quiet time with
LSA 56



Aerobatic Crop dusting Search and rescue medical helipad

Lightspeed LSA 56 is the only premium Active Noise Reduction and audio solution engineered for HGU-56/P helmets. It can be installed into your existing helmet or included in a new one.


Benefits of LSA 56:

  • Reduce background noise so you can focus
  • Reduce pilot and crew fatigue
  • Enable better situational awareness
  • Preserve your hearing
  • Bluetooth for backup comms, music, app alerts
City rotor      

Flying long days in a high-task environment and sometimes chaotic airspace requires reliability, comfort, and clarity. My Lightspeed delivers every day.


   — Alex Kriewall, ENG Pilot, Los Angeles


Only Lightspeed ANR helmet installations offer these exclusive features:


Bluetooth connectivity

Enjoy excellent call clarity, music fidelity, and wireless access to critical audio alerts from aviation apps on mobile devices.

3-year limited warranty

Lightspeed ANR is the only premium ANR installation that offers three years of protection against defects in materials and workmanship.


Quick disconnectQuick disconnect

Experience faster, safer egress with the Lightspeed's exclusive quick disconnect system.


Every Lightspeed-equipped helmet includes the advanced features that have made Lightspeed the choice of private and professional pilots around the globe:

  • Noise reduction and acoustic clarity — Enjoy fatigue reduction and clearer communications enabling you to focus on flying and the mission at hand.
  • Engineered for comfort — Plush Comply™ ear seals with abundant surface area are designed for comfort on long duty days.
  • Meets the Gentex HGU-56/P side impact specification.
  • Bluetooth connectivity — Enjoy excellent call clarity, music fidelity, and wireless access to critical audio alerts from aviation apps on mobile devices.
  • 3-year warranty — The LSA 56 installation is backed by a three year factory warranty.
  • Quick disconnect — Pulls apart in the event of an emergency egress.
  • Kevlar reinforced cable system — Stronger and more fexible than standard cables, these rugged cables have proven themselves for durability, stay out of the way, and weigh less than traditional or coiled options.
  • ComPriority™ — Never miss important radio communications with patented ComPriority, which lowers the volume of any auxiliary device automatically during radio or intercom transmissions.
  • Auto Shutoff™ — Lightspeed’s proprietary Auto Shutoff feature saves battery life by automatically shutting down the power when not in use
      Pilot wearing HGU-56/P

Bluetooth phone capability... has allowed us to keep our dispatch informed of where we are and where we are going, without risking the safety of the flight.


   — Tyler Sturdevant, Director of Operations, Precision Helicopters

Helmet assembly diagram

The LSA 56 installation includes:

  • A fully engineered ANR solution for helmets
  • 3-year factory warranty
  • Strong and flexible Kevlar reinforced cable assembly
  • Integrated Bluetooth for phone and music
  • Quick disconnect for emergency egress
  • Expert factory-certified installers

Authorized Installers


LSA 56 is specially engineered for HGU-56/P helmet installations and only installers trained and certified by Lightspeed are authorized to perform the work, guaranteeing you the best possible performance and comfort.

  Gibson and Barnes logo  
  Gibson & Barnes
Phone: 800-748-6693

Tech Specs

General Battery power supply: 3V, two AA batteries
Panel aircraft 8-40 VDC
Transducer: 40mm moving coil
Frequency response: 20 Hz-20 kHz
Nominal impedance @ 1 kHz:
OFF—Mono: 200 ohms, ON—Mono: 280 ohms
OFF—Stereo: 400 ohms, ON—Stereo: 560 ohms
Maximum SPL: Greater than 125 dB at 100 Hz

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  Hover over water

Excellent noise cancellation — which still allows me to safely listen to my engine, and the incredible Bluetooth system with many features — Zulu.2 helps me to take off and land happily every day.


   — Poliana Perotto, Helicopter Pilot and Instructor





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