I have the Solitude NC headphone, and it has a 2-prong adapter where the prongs are different sizes, but did a oneworld trip and found that the BA, CX and QF plugs are either 2-prong that are the same size, or 3-prong with 2 same/1 smaller.

Are there adapters that will allow me to use my headphones on those planes, as I have no choice but to be able to plug into their sound system to listen to the IFE.

As an aside, do those airlines also pipe in a NC component with their audio feed? That would allow them to not have to spend the money for better headphones with NC components built in. Just wondering; and if it might be a factor in plugging my NC headphones into their system (if I can find the plug adaptors).

Thanks,

Steve