The Definitive SuperCube II subwoofer utilizes unique technology and components to make your home theater experience a crucial one. What really grabs you about this subwoofer is the sound you actually feel, the deep bass that shakes you up and gets you right in the gut. This subwoofer speaker optimally matches the characteristics of your amplifier to output enough power to sustain bass effects without draining your amp. This Definitive SuperCube II is designed to reproduce the lowest of audible frequencies delivering rock-solid low distortion bass with specially formulated surrounds. This subwoofer speaker is well fitted with a complete range of inputs and outputs for the ultimate in subwoofer flexibility and performance.