If you are happy with the way thngs sound then no need to change, but I noticed a poor timbre match between the original QS4s(aluminum tweeter) and the M22/VP100s I have, it drove me nuts. I sent the QS4s back and have been in love with the QS8s ever since, a perfect match.


Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70