Hi Cees

I am not the techno wizard you are,but ,have no doubt that one can tweak the sound through the equaliser to back off the bass,which I shall try.
However, my question is one of possible physical damage to the speakers, and possible warranty just for starters.

I am afraid I am banished to the earphones by my wife when I get carried away.

pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact