I was using an the 300i on a pair of 805 matrix's for awhile and it was wonderful. Then I purchsed a pair of 802 III's and the little Krell just didn't have enough guts. The 802 matrix's are really power hungry. It was replaced by a Proceed HPA and its a real sweet combination. The 300i for now powers my 805 surrounds for home theatre
Good luck!
Good luck!