rlw6534
Headphoneus Supremus
Version 17.17.6 OTA...last updated Nov. 12, 2021
The Amazon app has been a little flaky since they added the spatial audio feature. Try playing a 24/192 local file with the music player and then starting Amazon Music. I have also noticed that the Amazon app will will report lower system capability until it actually plays a 24/192 file. This issue isn't specific to the M3X as I'm having similar issues on other DAPs also.
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