Caliber BCT112A. Subwoofer RMS power: 200 W, Subwoofer frequency range: 50 - 250 Hz, Subwoofer driver size: 304.8 mm (12 "). Colour of product: Black. Subwoofer width: 370 mm, Subwoofer depth: 560 mm, Subwoofer height: 370 mm