Most 7.1 receivers say to hook up the lone rear surround to either the left or right rear surround speaker posts(the manual will tell you which one) and then in the configuration of the speakers you set it to 1 rear speaker for a 6.1 set up.


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