I agree with above post, I sold mine 2.5 within 10 months of purchase.
Whatever I did the ’boominess’ never want go, however once plugged in the foam into the port, the effect got reduced, scarifying the dynamic.
Never had such audio purchase went wrong, yes in my previous post I raved about the laid back sound, reliazed after brought the speakers Triangle Gaia Ez I was so wrong.
And in one of the shows in Bangkok the Raidho D5.1 had similar kind of effect on bass, its just my opinion