Thanks for the input gentlemen,
Most of the wav files are directly from cd's. I have some live "bootleg" grateful dead that are in mp3. Since they are live shows, the sound is not optimal. Although I do have a few that came directly from the mixing board at the show.
I had to download all the music on the unit to a 500GB SSD. After having the unit for a week, the USB quit importing and a week later the cd drive stopped reading and importing cd's. Brennan just sent me another in the mail the other day. Hopefully, this will go better.
Sounds like I should just load the music and not worry about it. I am mostly a vinyl guy and run a dac when listening to cd's. I also bought the 2TB drive, so space should not be a concern.