Need to find how to connect my speaker to pc

[TRXY]

I have bought 2 speakers technics sb-eh600 and i need them for the party,but I dont know where I can connect themc,amplifier anything so i could have sound.I would want to connect them to pc somehow so I ask everyone to tell me cheapes solution till the wednesday(26 8 2015).Thanks for help .

 

[popatim]

You need an amplifier with an aux or hdmi input at minimum.