Question about microphone levels

Hello all,

Simple problem here:

I'm using v 1.4.6 of AppleALC on Catalina 10.15.3. Motherboard has a Realtek 1220. My installation works great, but my mic is just way too low on volume. Is there any way to edit the kext to boost the input levels or should I just buy a hardware preamp? Works fine on Windows, so it's not a hardware issue.

Thanks in advance for any help.

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