The Action 18 bass system incorporates a 18” low frequency transducer with a 4” voice coil mounted as direct radiator into a bass-reflex cabinet. The loudspeaker is protected by a perforated steel grille, sealed against corrosion using a powder coat finish. The Action 18 is designed for use in biamped systems. A top located pole-mount socket permits mounting full-range systems above the Action 18 and two bar handles makes moving easy.