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After upgrading to Mojave, my bluetooth amp now plays at a slower tempo and at a lower pitch with some audio glitches.

How can I fix this?

Bluetooth amp: GraceDigital GDI-BTAR513

Reason for upgrading to Mojave: I upgraded to Mojave to fix an unrelated problem with kernel panics after working with Apple support and the usual PRAM/SMC/Disk First Aid did not solve the problem.

Also tested: JBL stereo headset (successfully!)

  • If the JBL headset works then it doesn't appear to be the Mac. Have you contacted the GraceDigital company support? – fsb Jul 30 at 15:18
  • Sure, and I have done that. – Scott Nelson Jul 30 at 18:36
  • I think, in light of no additional info, that the problem is with the the amp. That device was released in 2014 and Mojave in 2018 so it could be a problem with how their implementing BT. Try the answers in this post to see if that helps. – fsb Jul 30 at 18:51

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