USB Headphones showing up in Output/Input but no audio?! pls help

USB Headphones showing up in Output/Input but no audio?! pls help

https://preview.redd.it/39xwo40ab2561.png?width=1330&format=png&auto=webp&s=9cade08e3e0e1a01346939f99fdb15b0688167fe

Hi ! so I thought I got audio to work since my earphones showed up under Output/Input in Sound Preferences, but I'm not getting any audio :') The earphones I'm using has a built in mic which works, but the audio comes out very choppy. I went through the OpenCore post-install guide and did all the steps to fix audio (I also did manual USB mapping which all applied in the IO). Unsure if related, but my monitor’s audio doesn’t work either and it doesn’t show up under Output devices. Any help or advice appreciated !!!!!

CPU: ryzen 7 3700x, GPU: gtx 1080, motherboard: asrock x570 phantom gaming 4, my config.plist

On High Sierra 10.13.6 (17G14033)

(btw, I'm using a usb to headset jack adapter with my earphones so I don't need to purchase a mic separately. the earphone audio works when plugged into the rear audio jack. I know it's not the adapter because it works perfectly on my MacBookPro. I've also tried a borrowed usb mic, but it produces the same choppy audio as my earphones.) Thank you in advance ><

submitted by /u/charsiu_baoo
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