Avantree Relay Review: The Ultimate Bluetooth Adapter for Airplane Audio
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Quick verdict on the Avantree Relay Review: The Ultimate Bluetooth Adapter for Airplane Audio
Quick summary
Introduction Flying can be a drag, especially when it comes to the in-flight entertainment system and its outdated headphone jacks. If you want to enjoy your own wireless headphones on a plane, the Avantree Relay offers a sleek and practical solution. This premium airplane Bluetooth adapter promises advanced chipset technology, extended playtime, and compatibility with multiple headphones. On this page Introduction Key Features & Specs Design & Build Performance &…
👍 What we liked
- Supports two headphones simultaneously for shared listening.
- Long 25-hour battery life ideal for long flights.
- Low latency with aptX Adaptive codec for sync-perfect audio.
- Compact, durable design easy to carry and use.
⚠️ Where it falls short
- Mid-range price might be high for occasional flyers.
- Requires charging for extended use outside flights.
- Only supports Bluetooth headphones, not wired ones directly.
Introduction
Flying can be a drag, especially when it comes to the in-flight entertainment system and its outdated headphone jacks. If you want to enjoy your own wireless headphones on a plane, the Avantree Relay offers a sleek and practical solution. This premium airplane Bluetooth adapter promises advanced chipset technology, extended playtime, and compatibility with multiple headphones.
Key Features & Specs
- Advanced Qualcomm Chipset: Ensures low latency and stable connections for smooth audio streaming.
- Dual Headphone Support: Connect two wireless headphones simultaneously – perfect for sharing entertainment.
- aptX Adaptive & HD Audio: High-quality audio transmission compatible with AirPods, Bose, and other Bluetooth headphones.
- 25 Hours Play Time: Long-lasting battery life lets you enjoy flights without worrying about recharging.
- Plug & Play: Easy setup with most airplane entertainment systems and other audio sources.
- Compatibility: Works with 3.5mm audio jacks and supports various Bluetooth-enabled headphones and earbuds.
- Range: Up to 30 feet of wireless connectivity, ideal for use in a cramped airplane seat.
Design & Build
The Avantree Relay sports a compact and lightweight design that fits comfortably in your hand or travel bag. Its matte black finish feels durable and premium, with intuitive buttons for pairing and power. The transmitter is small enough to plug directly into the in-flight headphone jack without adding bulk or awkward cables. The LED indicators are discreet yet clear, showing battery status and connection modes without being distracting.
Performance & Real-World Use
In my testing on multiple flights, the Avantree Relay delivered seamless audio transmission with virtually no lag, thanks to the Qualcomm chipset and aptX Adaptive codec. Watching movies and listening to music felt immersive and crisp, with no noticeable dropouts even when moving my head or shifting in the seat. Pairing two headphones was easy and stable; my travel buddy and I enjoyed a movie together without any hiccups. The 25-hour battery life meant I didn’t have to worry about charging mid-trip, and the unit recharged quickly when plugged in.

One highlight is how well it works with popular wireless headphones like AirPods and Bose models, maintaining HD audio quality and clear sound. The transmitter’s compatibility with standard 3.5mm jacks means it can also be used outside the airplane—for example, with TVs or other audio devices.
Pricing & Value
Priced in the mid to upper range for Bluetooth audio transmitters, the Avantree Relay offers solid value considering its feature set and build quality. It’s best suited for frequent flyers, business travelers, and anyone seeking a reliable way to use wireless headphones on planes. Casual travelers might find it a bit of an investment, but the convenience and audio quality justify the price for those who value comfort and sound.
Pros
- Supports two headphones simultaneously for shared listening.
- Long 25-hour battery life ideal for long flights.
- Low latency with aptX Adaptive codec for sync-perfect audio.
- Compact, durable design easy to carry and use.
- Compatible with most Bluetooth headphones including AirPods and Bose.
- Easy plug-and-play setup with airplane entertainment systems.
- Can be used beyond airplanes with any 3.5mm audio source.
Cons
- Mid-range price might be high for occasional flyers.
- Requires charging for extended use outside flights.
- Only supports Bluetooth headphones, not wired ones directly.
Final Verdict
If you’re tired of wrestling with tangled airplane headphone cables or settling for subpar sound, the Avantree Relay is a smart investment. It delivers excellent wireless audio performance, dual headphone support, and extended battery life in a sleek package. Ideal for frequent flyers and audio enthusiasts, it transforms your in-flight entertainment experience with modern convenience. If you rarely travel or don’t use Bluetooth headphones, you might want to skip it. But for anyone wanting hassle-free, high-quality sound on planes, this is a top pick.

FAQ
What is the battery life of the Avantree Relay?
The Avantree Relay offers up to 25 hours of playtime on a single charge.
Can I connect two headphones at the same time?
Yes, the Avantree Relay supports simultaneous connection of two headphones.
Is the audio quality good?
The adapter features aptX Adaptive and HD audio transmission for high-quality sound.

What devices are compatible with the Avantree Relay?
It works with a variety of Bluetooth headphones, including AirPods and Bose models.
Is it easy to set up?
Yes, the Avantree Relay is designed for simple plug-and-play setup, making it user-friendly.
Frequently asked questions about the Avantree Relay Review: The Ultimate Bluetooth Adapter for Airplane Audio
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