What size headphone jack does Delta use?

I recently flew delta and brought my head phones that had a 3.5mm jack on it.



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I've flown PS on 777, 767, A330n and all have the double hole audio jacks both at the seat and on the screen. The headphones provided by Delta have the double prong plug.

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Delta Studio entertainment: Most Delta flights offer in-flight entertainment at every seat throughout the plane. Complimentary earbuds are also provided.

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Onboard Comfort On long-haul flights, Main Cabin and Comfort+ passengers get pillows and blankets, and they receive basic amenity kits containing toothbrushes and toothpaste, eyeshades, earplugs, and a cleansing towelette.

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Enjoy complimentary earbuds and 1,000+ hours of free entertainment including the latest films, your favorite TV shows, Spotify playlists, podcasts and more all from your seatback screen.

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All headphones use the 3.5mm / 1/8in plug. It is pretty much the universal standard for audio, works on phones, planes, car radios, etc. The only adapter you might consider having is the dual pin adapter, often sold as the airplane adapter. Some airline systems use the two pin system, some the one pin system.

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This is because the headsets in Premium Select are more expensive to produce than the earbuds, and as a result they are reused for the next passenger. This means that the headphones are not to be taken home after the flight, and are to remain in the aircraft cabin.

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Delta Premium Select Amenities You also get a decent set of Delta headphones, a really comfortable and nice memory foam pillow, and a blanket that wasn't paper thin … but also not exactly substantial, either. The amenity kits from Someone Somewhere were much better than I expected.

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According to the Federal Aviation Administration (FAA), Bluetooth headphones and other wireless devices are allowed during all phases of the flight, as long as they are in aeroplane mode. In general, you can use your trusty wireless Bluetooth headphones on planes.

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How to Use Your Own Headphones for In-Flight Entertainment
  1. Step 1: Check the airline's policy on the compatibility of your headphones. ...
  2. Step 2: Bring a compatible adapter. ...
  3. Step 3: Use the airline's entertainment system. ...
  4. Step 4: Adjust the volume. ...
  5. Step 5: Start watching.


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The simple answer is that having a dedicated airplane headphone adapter is still very much a good idea in 2023. Airplanes almost always use a “Double-Pin” port for their entertainment systems, which can spell trouble if you want to try and connect your device through a “single-pin “cable!

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