Electronics and detail matter but It’s mostly about the room acoustics and how the speakers use it relative to the listener. The sound radiation pattern and dispersion being a big factor.
All you need to do to prove the room and acoustics is the key is set your system up outside and see how big your soundstage is there regardless of recording.
All you need to do to prove the room and acoustics is the key is set your system up outside and see how big your soundstage is there regardless of recording.