I don't know?!? - camera mic - to Youtube compression - streaming through my work laptop (chrome browser of course) - Nu Force USB DAC/Headphone amp - ETY 4s - kicks ass!... great sounding speakers!...
(yup - for me to poop on)
Side note - this did sent me on a hour long search for the saint saens introduction and rondo capriccioso recording that he used in one video.