what is behind your speakers and how far the speakers ae out into the room from the wall behind them? if there's a reflective surface behind the speakers and they're too close to it, then you are chasing the impossible.
As far as speakers, look into Dynaudio Contour 1.8, some of the Vienna Acoustics that fit your price range, may be Sonus Faber.
As far as speakers, look into Dynaudio Contour 1.8, some of the Vienna Acoustics that fit your price range, may be Sonus Faber.