QSC E118sw, Passive 18"" Subwoofer, Rated power: 800 watts continuous power / 3,200 watts peak power, Nominal impedance: 4 ohms, Frequency range (-10 dB): 32 - 230 Hz, Max. Sound pressure (1 m): 133 dB, Inputs: 2x speaker twist (1x through) and screw terminals, M20 threaded pole mount, Multiplex housing with shockproof black textured paint, Mounting points for swivel castor wheels (castors not included), 4 Stable ergonomic handles made of metal, Dimensions (H x W x D): 616 x 590 x 605 mm, Weight: 48 kg, Colour: Black, Includes 35 mm speaker pole with M20 thread (length: 61 cm)@+*Suitable accessories (not included):*@+@+, Cover: Art.#451747# (not included), Subwoofer Caster Kit wheel set: Art.#451752# (not included)