There are a few around - Dennis (Blumlein88) commented on the difference between his big panels, and the little JBLs, in terms of what one is pursuing. The only reality bending that's needed is to persist with refining the system, rather than giving up at some point - if you fall into the "that's good enough!" hole every time you try this sort of exercise then it's almost guaranteed to never happen ... why I got my first dose of "good sound" is that I kept experimenting, experimenting, experimenting - most things moved the quality forward, so that encouraged me to continue ... until a burst of convincing sound popped out, completely unexpectedly.No, we can't all be The Chosen One, able to bend audio reality to our will using skills too mystic to be understood by mere mortals.
The rest of us ungifted troglodytes have to deal with measurements.
If you seriously want to know the answer to this for the transmission of digital audio (and not just flap your head about it) the test is called The Mask Test. Any device passing it will transparent for purposes of digital audio.
Digital remaining digital is always fine - but at some point, called the DAC, the signal goes into a hybrid world - and something called a "digital" line is not really that any more - it's taken to have analogue characteristics, and that's where things get interesting ...