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Lightspeed Zulu 4 ANR Aviation Headset — Helicopter (U-174)
More comfort. More clarity. More flexibility. The Zulu 4 builds on the legacy of the best-selling Zulu series with next-generation FrameFit™ ear seals, AI-enhanced Bluetooth vocal isolation, and dual multipoint Bluetooth. This helicopter variant features a single U-174 plug engineered for rotorcraft cockpits. Backed by a 7-year warranty and a 30-day money-back guarantee.
Next-Gen Comfort & Noise Reduction
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FrameFit™ Ear Seals: Innovative tapered foam pattern — firmer at the bottom, softer at the top — shapes completely around glasses and hat frames to eliminate pressure points and prevent ANR warbling.
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Large Cup Cavity: Encompasses the entire ear comfortably with no painful pressure against the ear edge.
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Low-Profile Headband: Stainless steel headband follows the natural curve of the head to distribute weight and side pressure evenly.
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Superior ANR: Premium active noise reduction across deep low-frequency rotor and engine noise, combined with magnesium ear cups that passively block high-frequency noise.
Maximum Audio Clarity & Cockpit Connectivity
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Bluetooth Vocal Isolation (AI-Enhanced): Eliminates up to 90% of background cabin noise from outgoing Bluetooth transmissions — phone calls and ATC ground comms sound crystal clear.
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Dual Multipoint Bluetooth: Connect to two devices simultaneously — stream music on your phone while receiving terrain/traffic alerts from ForeFlight or Garmin Pilot on your tablet.
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Front Row Center™ (FRC): Proprietary stereo cross-feed technology for rich, high-fidelity audio.
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Dual Aperture Disc™ Mic: High-performance noise-cancelling microphone with user-adjustable gain for crisp intercom and radio communication.
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In-Flight Recording: Compatible with the free Lightspeed Aviation App for iPad/iPhone to record all cockpit communications wirelessly over Bluetooth.
Built for the Long Haul
The Zulu 4 is engineered for harsh flight environments — rugged stainless steel and magnesium components paired with tough Kevlar-cored cables. A 10% longer microphone boom allows precise mic placement, and an extended upper cable keeps your cockpit tidy.
The U-174 single plug is the standard connection for helicopter cockpits, powered by two AA batteries for up to 40 hours of ANR use. ComPriority™ automatically lowers auxiliary audio during radio transmissions, and Auto Shutoff™ preserves battery life when not in use. Backed by Lightspeed’s 7-year warranty.
| Technical Specifications | |
|---|---|
| Weight | 14.6 oz / 414 g |
| Dimensions | 9 × 8.5 × 4 inches |
| Power | 2 × AA batteries (up to 40 hrs) |
| Transducer | 40mm moving coil |
| Freq. Response (Headphone) | 20 Hz – 20 kHz |
| Freq. Response (Mic) | 200 Hz – 6,000 Hz |
| Max SPL | 114 dB |
| Impedance (OFF Mono) | 200 Ω |
| Impedance (ON Mono) | 280 Ω |
| Impedance (OFF Stereo) | 400 Ω |
| Impedance (ON Stereo) | 560 Ω |
| Plug Type | U-174 (Helicopter / Rotorcraft) |
| SKU | 40619 |
| Warranty | 7 Years |
 |
|
| What’s in the Box | |
| Lightspeed Zulu 4 ANR Headset | |
| Premium protective carrying case | |
| Two AA alkaline batteries | |
| Wired auxiliary / cellphone patch cord (3.5mm) | |
| Cord shirt clip | |
| Foam microphone windscreen | |
| Quick Start Guide with warranty details | |
Zulu 4 Range — All Variants
All prices in NZD. Click any headset to view full details.
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