the box CL 115 Sub MK II, active 15" subwoofer, 220/500watts (RMS/peak) + 2x 220/500 (RMS/Peak) for the Top Speakers, 122dB max SPL, internal crossover, frequency response: 35-130Hz, 2x XLR inputs, 2x 1/4" jack inputs, 2x SPK connection, PU Coated, flange-socket and transport wheels. Dimensions: 460 x 565 x 610mm. Weight: 40Kg