1. LogiLink Art No SP0004 Stereo Active 2 1 Speaker System Features e Stereo Speaker System e 1x Subwoofer 2x Satellite Speaker e Connector 3 5 mm plug e Switch Power ON OFF e Power 180W P M P O 3 2x1 Watt R M S e Drive Unit Full Range 2 25 X2 e Subwoofer 3 1C 28224 28221C e Rated Impedance 4ohm e Frequence Response 20Hz 20KHz e Separation gt 45dB e S N Ratio gt 55dB e THD lt 0 5 e Control volume control e Voltage 220 V 240 V e Compatibility PC Notebook MP3 Player etc e Color black www LogiLink com