I have not heard Epos Elan speakers, but they are carried by high-end dealers, so they must be half way decent and certainly better than what one finds at big box stores mostly.
I consider the whole line to be affordable in one way or other. It all falls within the parameters I listed.
They are British speakers just like Bowers & Wilkins and others. Check them out if you have a dealer that carries them.
NOTE: It appears that the Elan series has been discontinued although still available for now. The new series is the “K” series. However, the new “K” series is also within what I consider the affordable range.