the box CL 112 Sub MK II, Active 12"" Subwoofer, Power: 120 W RMS / 300 W Peak + 2x 120 /300 W RMS / Peak for the Top speakers, Peak SPL: 118 dB, Internal crossover, Frequency range: 40 - 150 Hz, Input: 2x XLR, 2x 1/4"" jack, Outputs: 2x Speaker Twist, PU Coated, Butterfly handles, Transport wheels, Dimensions: 420 x 520 x 500 mm, Weight: 29 kg, Suitable optional cover: Art.#376524# (not included)