Price: $155.99
(as of Dec 13, 2025 05:53:16 UTC – Details)
Product description
Built-in Carbon Monoxide Sensor
Always on and always monitoring cabin carbon monoxide, the new CO sensor is optimally calibrated to provide audible and visual warnings via Kanari smart alert technology at preset or user-defined CO thresholds.
HearingEQity for Custom Sound
Using a custom 12-frequency hearing test in the new Lightspeed app, create your own personalized HearingEQity profile to optimize every ATC call and conversation specifically for your individual hearing profile. Individualized profiles can be saved, and different headset users can switch profiles.
UAC Plug Compatible
The Lightspeed Delta Zulu is the first headset to adopt the UAC plug, allowing you to connect to other devices directly from the headset for charging, audio, and data transmissions. It can also be charged while flying via USB.
Technical Specifications
Battery Supply 3V, two AA batteries, Lithium Ion Battery Weight 14.9 oz. (including ear seals and mic boom) Headphone Frequency Response 20 Hz-20 kHz Nominal impedance @ 1 kHz Microphone Frequency Response 200 Hz-6000 Hz Bluetooth Enabled Phone Yes Bluetooth Streaming Music Yes Available Configurations GA Dual Plugs, Panel Power (6-Pin), Heli (U-174) Included Accessories Carrying case, single port wall charger, lithium-ion battery cartridge, AA battery cartridge, UAC to USB-A cable, a cord shirt clip, and a set of personalized icon chips to distinguish multiple headsets.
Premium Comfort: Weighing just 14.9 ounces, this noise canceling aviation headset has a low-profile and tapered performance ear seals designed to hug the curve of the jaw for a natural fit providing a better (and more comfortable) seal around eyeglass or sunglass frames.
Carbon Monoxide Sensor: Built-in Kanari smart alert technology measures aircraft cabin carbon monoxide levels and provides audible and visual warnings at preset CO thresholds.
Integrated App: Lightspeed’s app smoothly integrates key features CO monitoring, personalized EQ settings, and conversation recording.
Customized Hearing: By taking a 12-frequency hearing test in the new Lightspeed app, HearingEQity automatically adjusts your Delta Zulu to optimize every ATC call and conversation specifically for your individual hearing profile.
Superior Quiet: Advanced active noise reduction (ANR) performance over a deep, broad range of low-frequency noise for a more comfortable flying experience).
Connect to More: Connect directly to other devices for charging, audio, and data transmission via UAC, USB-A, USB-C, 3.5 mm, Lightning plugs, or Bluetooth.
Durability & Longevity: Made almost entirely of stainless steel and magnesium with durable cables built around a Kevlar core, the Lightspeed Delta Zulu is designed to endure the harshest flying environments and last for years to come.
Industry-Leading 7-Year Manufacturer’s Warranty: Lightspeed stands by the quality of the Lightspeed Delta Zulu with a comprehensive 7-year warranty of materials and workmanship.
Customers say
Customers find this aviation headset well-made with great sound quality and clarity, comfortable, and appreciate its noise cancellation and built-in CO2 detection feature. However, the functionality receives mixed reviews, with some customers reporting it doesn’t work at all. The rechargeable battery feature and cable quality also get mixed feedback.
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