I have 5.1 system and finally, i have whole room now. I plan to add a pair of QS4 v3 speaker to complete 7.1 I have 2 questions:
1> Does new QS4 new version work well with original QS4 in term of sound?

2> Do i need movies encoded 7.1 in order to take advantage of 7.1 setup? or is it the waste?