Pilot USA PA-1171TH Passive Helicopter Headset

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Pilot USA PA-1171TH Passive Helicopter Headset.

This passive Helicopter headset sets the standard for comfort and clear communications while providing superior noise protection. Soft leatherette memory foam ear seals and a super cushion head pad makes this unit very comfortable. The half metal/half flex boom enables the noise cancelling electret microphone to be placed precisely in front of your lips.

The headset is cell/satellite phone capable, and has a “true stereo” input jack so that the user can listen to music from a CD player, IPOD®, MP3® or external radio. The cell phone system is designed to work with either newer “Smartphones” that use a 3.5mm (4 conductor) input or older phones that use a 2.5mm input.

This headset comes with a padded headset bag.

The headset has a coiled cable with a TP-120 (U-174/U) helicopter plug installed.

Passive headsets cancel sound by blocking sound waves. Sound can be blocked by 3 methods: Barriers, Absorption Material, and Damping Methods. In our aviation headsets, we use the ear cup as walls to enclose the ear and act as an acoustical reflector. The ear cups act as a barrier against the path of noise and eliminates energy of the noise wave. The hard barriers target high frequency noise. We also use different types of acoustical foams to absorb the sound waves and eliminate more energy from the sound waves.

Vibration isolators which include spring steel equipment mounts, plastic and rubber based bushings and grommets all contribute to noise canceling by damping the noise. These vibration isolators absorb noise coming in through the headband and ear cup stirrups and also noise waves that are bombarding the ear cups.

 

  • Passive NRR  24dB
  • Microphone Type  Noise Canceling Electret (Amplified)
  • Speaker Impedance  150 ohms (300 each; wired in parallel)
  • Cord Type  Coiled
  • Plug Type  TP-120 (U-174/U)
  • Boom Type  Half Metal / Half Flex
  • Color  Grey
  • Product Weight  14.9 ounces (422 grams)
  • Shipping Weight  3.00
  • Warranty  3 Years

 

 

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