Active subwoofers with integral amplifier and adjustable low pass filter in rugged, carpet covered wooden cabinet.Power supply[tab]230Vac, 50Hz (IEC)[br]Cut-off frequency[tab]40 - 150Hz[br]Connections[tab]XLR line in, XLR line outDriver[tab]450mm (18'')[br]Power handling : max.[tab]1000W[br]Dimensions[tab]675 x 585 x 475mm[br]Weight[tab]29kg[br]Power rms[tab]250W