GoldenEar SuperSub X 1400w Dual-Plane Inertially Balanced Subwoofer

Like the SuperSub XXL the ultra-compact SuperSub X (just a little bigger than a 12-1/2" cube) utilizes the same dual-plane patented inertially-balanced driver array but instead employs two horizontally-opposed 8? ultra-long-throw active drivers and two vertically-opposed 10-1/2? x 9-1/2? planar infrasonic radiators driven by a 1400 watt Class D Digital amplifier GoldenEar SuperSub X 1400w Dual-Plane Inertially Balanced Subwoofer