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Lightspeed SIERRA

ANR Aviation Headset (Portable, Straight Cord, Standard GA Plugs)

Lightspeed - New - 4000

5-year Manufacturer Limited Warranty

Limited time trade-up promotion:

  • Get a $250 credit when you trade-in any David Clark headset.
  • Get a $100 credit when you trade-in any other passive aviation headset.

Trade-in must be in good working condition to be eligible, subject to evaluation prior to refund. Note that your card will be charged for the full amount of the headset, and refund will be processed after trade-in is received.

From: $400.00

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Step up to the world of premium ANR headsets with the value-priced Sierra. Picked as the "hands-down favorite" in Aviation Consumer's real-world test of budget ANR headsets, Sierra delivers the comfort, quiet, and advanced features you've come to expect from Lightspeed.
Active noise reduction (ANR) and Bluetooth connectivity bring top-of-the-line features to Sierra. Plush ear seals and sturdy fiber reinforced polymer construction add to Sierra's durability. Bluetooth for audio devices and ComPriority™ enrich your flying experience. A reversible headband design allows microphone placement on the left or right. Sierra is everything you've been looking for in a budget-priced premium ANR headset.
Sierra is now compatible with FlightLink, the first in-flight cockpit recording application for the Apple iPad® and iPhone®.
NEW — Full Bluetooth® Integration. Enjoy excellent call clarity, music fidelity, and wireless access to critical audio alerts from aviation apps on mobile devices.


Active noise cancellation over a broad range of lowfrequency noise bring state of the art technology to Sierra.

Comfort and Durability

At 16 ounces with plush ear seals and solidly designed earcups, extended wearing is a breeze.

Bluetooth Connectivity

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

Music Connection

An integrated control box input allows you to connect amusic player.

Auto MusicMute

Receiving radio communications is a snap with MusicMutewhich automatically decreases a music player by 80 percent, lessening thechance of missing important interactions.

Power Source and Connectors

Two AA batteries, Dual GA.


  • Dual general aviation connectors with .250-inch commercial stereo headphone plug and .206-inch MIL-SPEC microphone plug


  • Battery power supply: 3V, two AA batteries
  • Weight: 16 oz.


  • Transducer: 40mm moving coil
  • Frequency response: 20 Hz-20 kHz
  • Nominal impedance @ 1 kHz:
  • Off—Mono: 180 ohms, On—Mono: 300 ohms
  • Off—Stereo: 250 ohms, On—Stereo: 600 ohms


  • Transducer principle: Noise-canceling electret
  • Frequency response: 200 Hz-6000 Hz
  • Maximum SPL: 114 dB
  • Terminating impedance: 220–2200 ohms
  • Operating voltage: 8V-16V DC


  • Maximum SPL: Greater than 120 dB at 100 Hz
  • Sierra ANR headset with Sierra controller
  • Carrying case
  • Music patch cord
  • 2 AA batteries
  • Cord clip
  • Foam windscreen
  • Audio device cable with 3.5mm connector

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