In the past I was successful in running the laptop headphone audio direct to mixer or PA with very good results. And yes, today things are different in Win 10.

Check this out, it may help with the issue. This is actually a lot more configuration with these ports today.

https://answers.microsoft.com/en-us/windows/forum/all/windows-10-audio-sounds-tinny-when-headphones-are/014e1023-12f3-4b78-8d7e-20190d0afd50?auth=1


Dan, BIAB2024, SoundCloud Win11, i7(12thGen), 32GB, 1TB SSD(M.2 NVMe SSD), 2TB Libraries, 1 TB(WD-Black), 2TB SSD(M.2 NVMe SSD)Data, Motu Audio Express, Keystation 61, SL88 Studio, Reaper