Dali IKON SUB MK2. Subwoofer type: active, Subwoofer RMS power: 250 W, Subwoofer frequency range: 26 - 100 Hz. Power source type: AC, Power consumption (typical): 500 W. Colour of product: Black. Subwoofer width: 411 mm, Subwoofer depth: 452 mm, Subwoofer height: 453 mm