I have them on two sets of SS-10's. One in my studio that is on pier and beam wood floors and another in my "game room" with concrete floors. The Gaia's helped both systems a lot. I expected the biggest change in the bass and it did tighten up the bass in both rooms. The bass in the studio is not as muddy and every note is articulated, still not as solid as in the game room. The greatest change however, was in the mids and imaging. I am an imaging freak and both systems reacted the same. Much more 3D in every way, bass, mids and highs. It isn't just that the bass got out of the way, it is like a different set of speakers.