Low volume with HP B&O speakers using AppleALC

I have an HP Pavilion 14 2018 and I'd installed Hackintosh onto it with AppleALC to make the speakers work.

For some reasons, they sound pretty small, half as big as on Windows. I don't know why, maybe because of the machine has 4 speakers and only 2 are being used on MacOS. Anyone knows how to fix this ?
Thanks in advance.

submitted by /u/luongngocminh
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