51 pc speaker system series genius kye systems sp hf colour wood shades transmission mode cable power rating 200 watt frequency response 40 20000 hz speaker system 51 surround system active power supply mains connection nominal impedance 8 ohm suitable for desktop pc tv blu ray player game console audio system notebook speaker controls infrared remote rated power front 2 x 20 watt rated power rear 2 x 20 w rated power centre 20 w rated power