Came here to inquire about the same. I have a desktop headphone rig and connect directly to a DAC via USB-C port. I am currently using an App Store app called Colibri (it's fine...) in this setup.
I'd prefer to just use Music app, but the lack of automatic sample rate switching keeps me using Colibri (which can be weird at times with memory usage among other things). I have considered other solutions such as Audirvana.