Originally Posted by
lovejoy
I find that this depends on the age of your Mac. If you have a model which features an Intel Core2Duo and an NVidia chipset, everything sounds pretty much of a muchness via MacOS - There's also a USB bug that means any USB DAC sounds a bit poor because every 16384'th sample is zero.
A nice shiny new Mac with an i3/i5/i7 processor will blow the old ones out of the water as they seem to have ironed out the issues. I've recently tried a swanky new top of the range MacBook Pro and it sounds STUNNING running Audirvana in Integer mode.