Love my Klipsh RP II

Really great quality!! My Sub (Klipsh R-120 12’’) is behind the coach. Is it a good idea? and two Klipsh R-50M for surround beside the Sub

Really great quality!! My Sub (Klipsh R-120 12’’) is behind the coach. Is it a good idea? and two Klipsh R-50M for surround beside the Sub