Thanks for the input, I run my hard drive off my music computor to a Gustard X26 Pro Dac, Audio Research LS 25 Line Preamp to Twin Aegir Mono Amps and finally Wilson Benesch Square 2 Speakers, and 2 REL T/X5 Subs. I am a little out of the loop when it comes to CD players and this coax output. It's a hold over from a previous system and I couldn't find anything online so I was curious. I have been looking at this large assortment of CD's and sometimes I just feel like putting one in and reading the lyrics or liner notes, just a little dissapointed with the coax out to my Gustard Dac. It sounds a little thin, like the body of some of the midrange has been removed. Treeble is also a little shrill. Wondering if spending up to $1,000 on a replacement CD player would help?