Bose Professional FreeSpace 3S Bass B, Subwoofer, Suitable for restaurants, hotel business, retail stores, Impedance: 5 Ohm mono direct, Rated power: 100W, Frequency response: 50 - 230 Hz, Maximum level: 96 dB, 40 Hz High-Pass filter, For installation 70/100 V, Dimensions (H x W x D): 356 x 191 x 345 mm, Weight: 7.9 kg, Colour: Black