Nalod,
Thanks for the report on the CS surrounds. It looks like M&K has hit upon a way to have surround speakers when there really isn't room for speakers behind the listener. As I recall you have the 29" tall models. How tall is the back of your couch? Do you have anything on the wall behind the couch (e.g. pictures, shelves, etc.)?
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AvFan
Outlaw 976 | ATI 2005 | M&K 850s Left, Center & Right, Surround-55s, MX-70B Sub | Harmony 950 remote | Panamax 5100 | OPPO UDP-203 | LG OLED55B7