@charles1dad - Thanks for the recommendations and links to reviews.
My DAC situation has changed from what is posted on my system page. In fact, I just sold the EVO B4B21 but I added the EVO PRO, which is a subtle improvement in refinement and resolution, and everything else that improving those attributes brings. In addition, I just added Benjamin’s top Mystique X SE DAC and it is still breaking in, by playing music and Ayre’s frequency sweeps on repeat. The X SE is another level of resolution and I am hoping not too much for me. The detail it displays is extraordinary yet it does retain the musicality and tone that Benjamin’s DACs are known for. I plan to let it settle in before coming to any conclusions about which I like best. One thing is for sure, they are both excellent sounding DACs.