![]() ![]() Regardless of which theory you think sounds better, this problem is easily defeated without jumping through hoops. If the airline sells the headphones separately, using two-pin sockets stops people from using their own headphones and forces more customers to purchase the airline’s special two-pin headphones. If the airline supplies the headphones for free, then using the two-pin sockets ensures the headphones are practically useless outside of the flight, reducing the passenger’s desire to steal them. While some modern planes have since been updated to use single ports, older planes still have these two-pin sockets.Īnother theory is that it helps the airline financially over the long term. ![]() Planes rolled out two-pin sockets in the ’70s as part of the tube-based audio system they used.Īs technology jumped to electronic headphone systems, the old-fashioned two-pin sockets stuck around. On one hand, it can be seen as a relic of older times. The reason airlines use two-pin sockets on their planes is a little debated. They’re often reused, and you don’t know whose ears they’ve been in! The bottom line is that it’s always a good idea to bring your own listening device. Many airlines use cheap plastic headsets especially for economy seats. If you’re going to use your own headset at all, you’ll need to find a way to use it with the in-flight entertainment. Moreover, during take-off, landing or bad weather, you will be politely told to switch off your smartphone. ![]() In many countries, the flight crew just won’t let you use a Wi-Fi or Bluetooth device larger than a smartphone. If you thought you could circumvent airline socket restrictions using wireless Bluetooth headphones, that may not always work. ![]()
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