Elac SUB 2040 ESP. Subwoofer RMS power: 250 W, Subwoofer frequency range: 25 - 240 Hz. Input voltage: 110 - 240 V, Input frequency: 50 - 60 Hz, Power consumption (typical): 380 W. Colour of product: Black. Subwoofer width: 257 mm, Subwoofer depth: 358 mm, Subwoofer height: 410 mm