Does the M100 support aptX HD? May 10, 2024 11:43 The M100 doesn't support aptX HD, however this is backwards compatible so the M100 will revert to aptX. Related articles Does the M100 support LE Audio? Getting the perfect fit for your M100 ear buds M100 Quick Start Guide Does the M100 work with the old Melomania app? Can I use one M100 ear bud at a time?