As many say, when you experience "big sound", you know it ... . Not equivalent to loudness, though the volume setting is part of the equation - a pretty good description of various aspects is here, https://forums.stevehoffman.tv/threads/what-does-big-sound-mean-to-you.1157065/#post-30558048.
The above link alone says that this is not an "impossible dream!" - people have achieved this regularly, pretty well since the birth of audio recordings, using various methods. A key part of this
