The CSR IS the center for the R series. Period. The CS goes with either the Monitor or TSi.
You said "on wall". On wall speakers are intended to be mounted on a wall. Are you mounting them on a wall like a picture...or are you buying mounts and keeping them "away" from a wall?
You said "on wall". On wall speakers are intended to be mounted on a wall. Are you mounting them on a wall like a picture...or are you buying mounts and keeping them "away" from a wall?