I used my PC’s headphone out to audio in to stream music videos in my office for many years, then I found out here about an inexpensive Topping DAC for only $110. It’s usb out of desktop or laptop to DAC, RCA out of DAC to RCA IN of .....
https://www.amazon.com/dp/B08F54TT79?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1&th=1
I needed a USB extender, didn’t change the sound, just gave me location options
https://www.amazon.com/dp/B00P0ES0YE?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_4&th=1
Far superior sound, and stronger signal to my little tube amp.

