The most elegant and compact floor-standing speakers from the top Diamond series of the world's best Hi-End acoustics manufacturer B&W are designed for those lovers of impeccable sound who need compact floor-standing speakers capable of maintaining powerful dynamics and a large-scale three-dimensional stage, combined with transparency and clarity of the sound image, inherent in the large speakers of the B&W Diamond series.Technologies implemented in B&W 804 Diamond speaker systems:Braided KevlarUltra-precise custom crossover tuningNautilus Load PipeFlowport bass reflex portMushroom designFixed gimbal FSTTwitter on topMatrix stiffenersRohacell materialDiamond tweetersSphere/pipe bodyMechanical decouplingSquare magnet tweeter driveDouble magnet woofer drive