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Apple Music audio distortion when using external headphone amp

Apply Music Distortion


Hi everyone,

I recently purchased a Fosi Audio ZH3 headphone amp but I'm experiencing distortion when playing Apple Music


Mac mini > usb-c > Fosi ZH3 > balanced headphones


I know it's not the Fosi, or the Mac mini as I can play Youtube videos with no issues. I also can log into my work computer which is a PC and play the Apple music from there with no issues. Same account...so it's weird


I know I cannot adjust the source volume (Apple Music) when I'm hooked up via usb-c but I feel it has something to do with this. It seems the source volume is too high and pushing the Fosi out of the comfort zone.


I also have to say, everything was working great up until last week. I don't think I changed anything, it just started.


I have gone through the eq settings, turned it off as well as the enhancer etc etc...I've tried everything I could find on the internet.


Is there a factory reset on Apple Music or a way to get it back to the way it was?


Please help!!

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