Sticking with the speaker analogy. Speaker makers continually do things to "voice" their speakers differently to appeal to different people.

Though there are physical limitations when it comes to both emitting light and sound waves that will always keep displays and speakers from being able to come anywhere near the accuracy of the electronics driving them.

Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris