Bob Carver got into this, as did Polk to some extent. Neither really caused a great deal of market shift and the efforts were mostly forgotten.
I did some math, and something like 65 dB of separation is equivalent to about 1,800x the voltage. Doesn’t seem like you can really hear better.
What I really need is a way of encoding 96kHz/24 bit signals into 44/16 in order to avoid upgrading my dial up modem when streaming music. 🤣