Originally Posted by
StuckInYYZ
Generally this is either an old(er) Bluetooth issue or a codec issue.
It's the reason that the AirFly seems to be so popular - it's has lower latency than most of the other cheap bluetooth transmitters. It also supports lower latency codecs like AptX-LL (although in fairness, a lot of headphones don't support those either so it often won't help!)