Haven't tried Morrow digital but have owned the 3, 4, and 5 MA-series ICs. They sound nice and open. I now have all Darwin silver, ascension, or ascension plus, or Amadi Maddie Signature silver cables. The Darwins and Amadis are much better sounding in all ways (similar price). I use either the Darwin Ascension or Amadi on my Modwright cd.