While I have not heard eidolon with 700cx I did with a 600c. Was pretty good, great bass. They did sound much better using a MF kilowatt amp-preamp. The depth of image was crazy deep....One of my friends owned this system I have listened to it many many times helped set it up. So almost as familar as if I owned them. I would say a BIG step up from BW. But to be fair I should add Iam not a fan of BW.
