Will my aircraft have single or double prong headphone connection?
I will be travelling on a Boeing 777-300ER and want to use my Sony headphone which has a one-prong connection. Would I need an adapter for a two-prong situation? My return flight is on a Boeing 777-200.
Best Answer
It's hard to say for certain if you need an adapter. Personally, it has been over a decade since I have been on an aircraft that required the two-prong adapters, and I have flown (in that time) on Air Canada, WestJet, United, Continental and British Airways in various types of aircraft.
Given how inexpensive an adapter is (a couple of dollars on eBay), if you have time, I'd pick one up and keep it in your headphone case. Many headphones come with these adapters - my noise-reducing headphones come with a pair of them to adapt them to the two-prong jacks you describe, as well as the older 3/8" headphone jack.
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Why do planes have double headphone jacks?
Protects Against Headphone Theft One reason commercial airplanes use two-pronged jacks is because it deters passengers from stealing their headphones. Commercial airplanes typically rent out headphones to passengers. If a passenger wants to watch a movie, for instance, he or she can rent a pair of headphones.What headphone jacks do airplanes have?
New aircraft often have standard single jack headphone sockets that can accommodate personal audio equipment. But some don't, including many older aircraft. To understand why, you have to remember that sockets started to be installed in the 1960s alongside the expansion of long-haul commercial flying.Can you plug normal headphones into a plane?
This is achieved by an airline headphone adapter which converts a standard one-pin headphone jack into a two-pin connection. Plug your headphones into the adapter, then the adapter into the two-pin socket, and you're good to go!What kind of headphones work on a plane?
The short answer is yes, they work, and you can use Bluetooth headphones on most flights. Bluetooth headphones are considered to be short-range Bluetooth devices, similar to Bluetooth keyboards. The aircraft interference from short-term Bluetooth devices is minimal, so most of the time, they're allowed.Aircraft/Airplane Headphone Adaptors
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Answer 2
My recent experience has been on 2-3 Asia based carriers with the 2 prong jacks.
However, my single prong headphones worked perfectly fine. It just doesn't fit very well and the contacts are slightly off so I'd have to set the jack in a specific location. The headphones did come with an adapter but it's long been lost.
Answer 3
It is not as simple as just buying an adapter since Cathay Pacific business class UK to HK use a twin socket with two different diameter connectors. My Bose adapter with two 3.5mm plugs did not fit. I think the thinner socket with two contacts is 2.5mm and the thicker one is 3.5mm with three contacts. I haven’t been able to find an adapter like that and I don’t know how they are wired to make one up myself.
Answer 4
I was in China last October. I flew business class on Cathay Pacific between US and Hong Kong. They had 2-prong plug for the Bose headphones they gave out. I unfortunately didn't have a plug for my own Bose. So I am going to buy my own plug for my next trip so I don't have to use public headphones.
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