Well it all depends. Sometimes a component is an 'bottleneck' and not much 'improvement' prior to that item will be easy to hear.
Then some other similar component, same price range, can allow amazingly better sound to pass through it.
So it boils down to the individual items.
Then some other similar component, same price range, can allow amazingly better sound to pass through it.
So it boils down to the individual items.

