I think it is important in this hobby to mention when you have found synergy with a setup. I have really been enjoying my SP1000 in dac mode and find the output to be non fatiguing and engaging when operated as follows. It also gives me Roon for the SP1000.
NUC(Roon)=>MBPro\HQPlayer\poly-sinc-xtr=>ethernet=>PI 4\DietPi\NAA=>usb=>SP1000-DACMode=>tia fourte or Legend X
NUC(Roon)=>MBPro\HQPlayer\poly-sinc-xtr=>ethernet=>PI 4\DietPi\NAA=>usb=>SP1000-DACMode=>tia fourte or Legend X