Cheapest way out of this on board audio is the Syba Sonic DAC/AMP.
I picked up mine for £25
Inputs Mic , Headphone and Line In
Outputs Digital Optical & Coaxial, normal line outs
Micro USB power from device
Sounds amazing. Does the Job.
I use this with SHP 9500, EPOS H3 & IEM X CRN/ZX DEX Pro
Now for better options
Shiit Hel - https://www.schiit.com/products/hel-1
Shiit Fulla - https://www.schiit.com/products/fulla-2
Sennheiser Gsx 1200 pro - https://www.amazon.com/Sennheiser-Gaming-Audio-Amplifier-507080/dp/B01LDTP46G/ref=sr_1_2?crid=18937TZTN4MAP&keywords=sennheiser+gsx+1200+pro&qid=1645628054&sprefix=SENNHEISER+GSX+1200+%2Caps%2C139&sr=8-2
Mayflower Arc mk2 https://mayflowerelectronics.com/mk2-arc/