A new D2 compression driver now appears in the VTX series: the D2415K We had been warned:Probably a 1" driver. Would be interesting to compare to a 2407H or 2408H !Prototypes having voice coils with diameters of 1.5-, 1.75- and 2- inches and 1- or 1.5-inch exits have also been developed by JBL.