Best upgrade for cd player?


Want more nuance, detail, dynamics.
ptss
Get a good DAC.  That’ll give you more of an improvement than pumping more $ into an Oppo that’s out of business — good luck when you have a problem.  What’s your budget?
I can tell you that a bettrer cord and interconnects can make a difference as well as a dedicated conditioner that separates the digital from the analog equipment as well as a dedicated line to plug all your gear into.
Audiolab cdt 6000 transport and DAC like chord qutest will whip the opposition of 4x the price. Too scary good for the low price