I don't think there is one for nuance, detail and dynamics.
All CD player sounds are notoriously close and differences are subtle to say the least. Try comparing a budget machine to a top of the range one.
Or even a Blu-ray / DVD one.
On the other hand a careful loudspeaker upgrade might well give you all 3.
All CD player sounds are notoriously close and differences are subtle to say the least. Try comparing a budget machine to a top of the range one.
Or even a Blu-ray / DVD one.
On the other hand a careful loudspeaker upgrade might well give you all 3.