I have heard them at a dealer. I thought they were excellent.
There are number of reviews readily accessible on line. Here are a couple:
https://www.stereophile.com/content/dynaudio-contour-20-loudspeaker
http://www.the-ear.net/review-hardware/dynaudio-contour-20-standmount-loudspeakers
There are number of reviews readily accessible on line. Here are a couple:
https://www.stereophile.com/content/dynaudio-contour-20-loudspeaker
http://www.the-ear.net/review-hardware/dynaudio-contour-20-standmount-loudspeakers