The SuperCube(R) I, II, & III have set new performance standards for high-output ultra-compact subwoofers. With the new SuperCube(R) Reference, Definitive sets new performance standards for subwoofers period! The Reference incorporates a 14-inch version of the 10-inch SuperCube(R) Technology driver pressure coupled to two 14-inch infrasonic radiators. All this is powered by an 1800-watt class D amplifier. The result is astounding high-definition bass performance extending effortlessly down below 11 Hz. Each SuperCube(R) Reference goes lower than and has dynamic impact and output capabilities almost equivalent to that of four SuperCube(R) subwoofers combined. Slam, pace and rhythm are exemplary as is the ability to actually shake cement slab foundations. A complete complement of inputs and controls, including continuously variable level, high-pass, low-pass and phase controls, speaker and line level in and out, and LFE Direct in, are included on this surprisingly compact and stylish cube. The SuperCube(R) Reference will be available in piano-gloss black.