Designed and built for demanding environments.

AEM designed the 200-watt Public Address and Siren System for light, small-piston engine helicopters such as the Robinson R22/R44 and Schweitzer 300. Broadcast clearly and effectively with a typical target distance of 200-300 feet.

Designed for functionality, our modular system is capable of producing 220W of output power.


  • Front-mount auxiliary input on the LSC22 allows message transmission from an MP3 player or smartphone
  • Convenient onboard digital storage for fast recording and playback
  • Remote mount amplifier for a flexible PA solution
  • Designed and built for demanding environments
  • Applicable for both internal and external aircraft applications
  • Speaker driver assembly and mechanical parts are field replaceable 
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TS200WR Loudspeaker
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PA220 Series Power Amplifier
LSC22 Loudspeaker Controller
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Controller Mechanical Specs
Height 1.11"
Width 5.74"
Length 6.32"
Weight 1.30 lb
Amplifier Mechanical Specs
Height 4.10"
Width 7.90"
Length 6.32"
Weight 7.75 lb
Speaker Specs
Input power 200 Wrms
Frequency 275-8000 Hz
Weight 6.60 lb

Installation & Operation Manuals


Product Brochure


Product Details Request Form 

If you have a capability requirement that isn’t met by an existing system, AEM is open to new opportunities that meet the demands of both fixed- and rotary-wing aircraft. We work with flight crew, integrators, and OEMs to deliver solutions for today’s avionics market.

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