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Now $795.00/Each
Was $1175.00
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Part# 99-00876


Note: This is a used headset. Cosmetic condition is "like new" and tested perfectly for functionality. Great deal on top of the line Lightspeed headset.

With the PFX, Lightspeed Aviation has leveraged cutting edge technology, world-class engineers, and superior customer knowledge to leapfrog the competition and produce the world's quietest premium ANR headset for aviators.

Lightspeed's proprietary PFX technology creates a uniquely personal flying experience by actively conforming to your ears, your environment, and your preferences.

Streaming Quiet™ dynamic ANR uses external ambient microphones to continuously sample cockpit noise before it penetrates the ear cup. A powerful digital processor analyzes microphone inputs one million times a second, instantly creating customized ANR responses.

Acoustic response mapping uses sound waves and advanced signal processing to measure the user's ear size and shape, adapting the audio response to each pilot's unique auditory landscape.

A variety of audio and other pilot preferences can be personalized using enhanced capabilities in FlightLink, the free, proprietary app developed by Lightspeed for the iPad® and iPhone®.

Of course, the PFX also includes the award-winning comfort and advanced features that have made the Zulu family the choice of pilots around the world—made even better.

When combined, these innovations create a dramatic increase in the amount, consistency, and frequency range of noise cancellation, as well as improved voice clarity and music fidelity. In fact, we are confident that the PFX headset is the quietest aviation headset available.


  • Ultimate quiet and clarity — The proprietary innovations and advanced features in the PFX work in concert to deliver astounding clarity and the world's quietest headset.
  • Comfort — Based on the LightComfort™ design made famous by Zulu.2, the PFX features soft ear seals, exceptional fit, and a head-friendly 14 ounces.
  • Durability — Rugged cables, constructed of silver-coated copper alloy wrapped around a Kevlar core, deliver extraordinary flexibility, strength, and audio quality.
  • Bluetooth connectivity — Not only does the PFX's full-function Bluetooth connectivity provide enhanced sound quality for voice, music or compatible audio devices, the FlightLink in-cockpit recording function in now Bluetooth compatible.
  • Enhanced FlightLink capabilities — With the PFX, FlightLink not only seamlessly captures cockpit communications for instant playback or later retrieval, it also allows users to set a variety of personal audio and operational preferences.
  • Music fidelity — The Front Row Center™ feature is enhanced by advanced digital processing, creating remarkable, concert-class fidelity and a simulated 360-degree music experience.
  • Auto Shutoff™ — In the PFX, Lightspeed's proprietary Auto Shutoff feature is enhanced with increased sensitivity and user selected shut-off delay, saving even more battery life by automatically shutting down the headset power when not in use.
  • Cell phone / music connection — The integrated control box auxiliary input for connecting a cell phone, music player or other audio device now has controls for bass, treble, and intercom priority, thanks to the enhanced capabilities in FlightLink.
  • Stereo or mono — Match audio panel inputs with a quick switch to stereo or mono using the new, easy-to-access external switch.
  • Firmware the — Firmware updates are just a download away, giving Zulu PFX unlimited potential to evolve with new software innovations.
  • Included — Custom molded carrying case, cellphone/music patch cord, cord clip, CPU mounting hook, four AA batteries, foam windscreen.


  • Headphone Impedance: (OFF—Mono: 200 ohms, ON—Mono: 280 ohms) / (OFF—Stereo: 400 ohms, ON—Stereo: 560 ohms) / All @ 1kHz
  • Speaker Frequency Response (Active): 20Hz to 20kHz (volume sliders max)
  • Microphone Electret: Bias 8-16V (Not polarity sensitive) / Bias Resistance 220Ù-2200Ù / Dual Aperture Disc
  • Sensitivity Electret: 16mV-132mV across 8-16V / Bias Re: 94dB SPL input at 6mm
  • Frequency Response: 200Hz-6000Hz
  • Maximum SPL for Microphone: 110db
  • Power Source: Battery (3V, 4 AA batteries) / Aircraft Power (8-40 VDC)
  • Weight: 14 oz. / 397 grams (including ear seals and mic boom)
  • Bluetooth Enabled Phone: Yes
  • Bluetooth Streaming Music: Yes
  • Flightlink Connection: Bluetooth or wired
  • Firmware upgradeability through the PC platform
  • Meets or exceeds all listed TSO standards
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