Originally Posted by
definitelynotafrequentflyer
The adapter provided is a little tight. It scratches stuff out from my 3.5mm headphone jack last time. Personally I don’t recommend doing it.
Mmmh, maybe a bad batch?
I flew SQ yesterday and used the provided adapter with my Sennheiser HD25 without issues or scratches. (Off-topic: Yeah, I'm a fan of passive noise reduction as opposed to ANC).