the vs3208 is a 3-way active design, which can be used for reference monitoring in larger rooms. the bass drivers are 2 proprietary 200mm (8") units housed in their own individual driver chambers, as are the 75mm (3") mid-range softdome and the 28mm (1.125") softdome tweeter. each speaker is powered by a built-in amplifier that provides in excess of 400w rms