600 watt speakers

Speakers don't have watts, amplifiers do. I never heard of a Focal Kansas. 

Focal kantas no 3s. I should have proofread. Rated for 600 watts. Not the speaker has 600 watts 

If you're looking at wattage ratings to pick a speaker in this price range, you need to do more research.  I assume auto correct changed Kantas to Kansas.

There is a lot of info here on the forum and lots of reviews.  Or tell us more about what you are trying to accomplish and there are lots of folks here eager to help.

Most of your listening will be at 1 watt or so.  What amp are you using will be the first question most ask.  How loud do you want to listen?  

Happy New Year,

Jerry

Power rating is of no value in comparing speakers. First it is pretty arbitrary and well, of no value. The sound quality of speakers is what matters. I would glance at the efficiency just to make sure it is not on the extremes… say < 86 or > 95, otherwise ignor that.

Sonus Faber are very musical speakers… I own these… Focal are a more personal choice that have a hotter high frequency… which adds detail… but must be carefully paired with electronics.

If you are interested in investing in high end audio components I highly recommend  Robert Harley's: Complete Guide to High End Audio,  book to get a sense of what you are getting into.