Klipsch Sub-12. Subwoofer RMS power: 300 W, Subwoofer frequency range: 24 - 120 Hz, Subwoofer driver size: 304.8 mm (12 "). Input voltage: 220 V, Input frequency: 50/60 Hz. Colour of product: Black. Subwoofer width: 381 mm, Subwoofer depth: 505 mm, Subwoofer height: 457 mm