dbTechnologies DVA S30N SubwoofersDVA S30N subwoofer features a sophisticated hybrid design able to bring together the benefits of bass reflex and horn systems in a compact housing, engineered to render low frequencies with high sound pressure levels. The two baffle boards are arrayed in the form of a V and guide the central bass reflex channels sound energy into the horn's port. This funneling action is smooth and uniform, greatly increasing its range. The high quality multiplex