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


BIAB – 2025, Reaper (current), i7-12700F Processor, 32GB DDR4-3200MHz RAM, 1TB WD Black NVMe SSD, 2TB WDC Blue SSD, 1TB WD Blue, 2 TB SK NVMe, 6 TB External, Motu Audio Express 6x6