The best realistic and natural sounding speaker is Wavetouch speakers. https://www.youtube.com/watch?v=kodwkAktfOw
In the recording you can hear/understand the human voice and audio sound at the same time which no other audio system in the world does that and that makes WT a true natural sound speaker. Also, WT sounds the closest to the original music.
The original music https://www.youtube.com/watch?v=682ePZmXKMo
Alex/Wavetouch