I have the same with the 4910MQ and it gets a bit warm, but tolerable.
Absolutely shreds most tasks.
I'm thinking of undervolting the CPU a little.
Could you share your VOLTA settings?
I've already posted my EFI.
Big Sur isn't something I'm interested in for now - I would rather have a stable OS.
If there ever is a real reason to upgrade, it will be through Opencore.
If anyone still has distortion using their headphone jack, this fixed it for me on Mojave 10.14.6 (to be tested on Catalina)
https://github.com/jardenliu/ALC298PlugFix
I have identified a temporary fix within the OS.
Select 'Line In' under System Preferences - this clears up the distortion.
Sometimes the distortion comes back if you click this window away, so minimize the window while keeping 'Line In' highlighted.
I am using layout-id 29.
Have tried...
I played around with this again today.
You can clean up the distortion by selecting 'Line In' within Systems Preferences.
A temporary fix, as the input jack/headphones sometimes it goes back to distortion.
Yep, definitely selecting 'Line In' makes the headphone output clean.
Sometimes it goes back to distorted signal again, but re-selecting it always fixes it.
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