My old iPad air2 for some reason makes sound through its own speakers, but won’t airplay it. (And by “makes sound”, I mean it sort of stutters and jerks it’s w

My old iPad air2 for some reason makes sound through its own speakers, but won’t airplay it. (And by “makes sound”, I mean it sort of stutters and jerks it’s way through with just enough going on that I can recognise the melody…)