kzor my room is about 138 square ft. which is 13 square meter ,so about the size that you got
and I haveRF- 82II's ,RC-62II RB-81's and a big Canton 13" Sub in there .......and in no way I feel I got to big Speakers.... I'm totally in Love with the sound I'm getting there
so don't let this Salesmen tell you [bs] []
here is some pix of my setup