Kanto sub8 Powered Subwoofer &ndash; 8&rdquo; Paper Cone Driver &mdash; Powerful Bass Extension &ndash; Gloss Black Class D amplifier pumps out 250W (peak) of powerful bass extension Front-firing 8 inch paper cone driver provides true bass reproduction Acoustic grade MDF cabinet reduces undesirable resonance Integrate into your pre-existing audio system with a precision crossover filter and phase switch Available in Gloss Black, Gloss White, Matte Black and Matte Grey Dimensions: 11&#034; x 11&#034; x 11.9&#034; (28 x 28 x 30.3 cm) Net Weight: 17.2 lb (7.8 kg) Gross Weight (boxed): 20.5 lb (9.3 kg) Shipping Box Dimensions: 15.6&#034; x 14.4&#034; x 14.3&#034; (39.6 x 36.5 x 36.3 cm)