Detailed Product Description F-218sub Impedance(Ohms): 4 RMS(Watts): 1200 Programme (Watts)2400 SPL1W/1M(dB): 101 MAX @ 1M (dB): 131 Frequency reponse(-3dB): 33Hz - 220Hz Crossover: 45Hz - 220Hz Finish: Textured black paint Enclosure: 18mm plywood Low Frequency driver: 2 x 18" Net weight(kgs): 78 Shipping weight(kgs): 84 Product dimension(mm): 1074W x 768D x 546H Shipping dimension(mm): 1235W x 920D x 600H.