how does the VP180v3 compare to the VP180v4? I can understand the full range of sound coming from a left and right speaker, but wondering how much it is noticeable in the center channel?

Anthem: AVM60, Fosi DAC-Q5
Axiom: ADA1500, LFR1100 Actiive, QS8, EP500, M3, M3comp, M5