Not sure what you mean? I compared CD to Blu-Ray. Most people, I think, would expect the Blu-Ray (and 3 additional speakers) to clearly outperform the decades old CD in stereo format. That was my point if that did not come across.

Panny 3000 PJ, 118" Carada, Denon 3300, PS3, Axiom QS8, PSB 5T, B&W sub, levitating speaker wire