Wonder if someone can clarify something for me, based on this thread.
It just appears to have three holes in a triangle formation. There is only one hole. The other two "holes" are actually screw heads.
The bose adaptor for my QC35's work - it's just two prongs for the top two in the triangle.
My personal headphones have a single prong (like for plugging into a laptop). Will this work, after the cabin crew take away the provided ones? The first quote implies "yes". The other comments imply "no". Has anyone used a normal, single prong headphone jack in the AA 777-200 J seats?