Originally Posted by
thibderoc
So far, with Bose Headphones, I've never had any issue on AF flights. mono jack should work.
Mono jack works on 99% of the fleet, unless you are unlucky enough to fly on the old 777 NEV4 cabin, then you need a split adapter.
I haven't flown AF A350 for ages but I'm pretty sure the mono jack works there too.