The Blackline X218 is a dual-driver, high performance subwoofer for use with BlacklineX Series full-range loudspeakers. With an operating range of 42Hz-200Hz + 3dB, it produces high output levels with low distortion and can be used singly or stacked horizontally. It features dual 18” (460mm)/4” (100mm) voice coil, long-excursion drivers in a reflex enclosure with eight large ports that reduce air turbulence at high output levels.



– Dual-driver, direct radiator subwoofer
– 2 x 18” (460mm) drivers with 4” (100mm) voice coils
– Durable plywood enclosure
– Large ports for reduced air noise
– Powder coated, perforated steel grille
– Integral ergonomic handles
– 35mm pole-mount socket
– Feet for vertical or horizonal operation
– Rebate recesses for stable horizontal stacking
– M10 flying inserts