Noise in external audio interface(usb connection)

[zhangchi000]

Hi, it is my first time building a Hackintosh.
So far, everything works fine but the USB audio interface(soundcard).
I have tried several sound cards and they all have noise in the speaker. I have installed the correct drivers for the audio interface and they all work fine under Windows system. Can the problem be the kext files? Here are the kexts files on my hackintosh. The motherboard I'm using is Gigabyte GA-Z270X-UD5 (https://www.amazon.com/gp/product/B01MRYHW6B/?tag=tonymacx86com-20)

Much appreciated for the help!

 

[toleda]

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