A:Answer What I am seeing from the photos provided. The motherboard looks to be an Asus Prime z690P.
iBuyPower would have to verify.
If so, the Audio Chipset is by Realtek on that board, specs below are from Asus's website.
Realtek 7.1 Surround Sound High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Rear optical S/PDIF out port
- Premium audio capacitors
- Dedicated audio PCB layers