How do I get these speakers working?

[Gromm]

Guys, I have a pair of speakers with this on the back:

http://www.flickr.com/photos/17071300@N00/3953010707/sizes/o/

I want to use them with my PC. I have a Creative Sound Blaster X-Fi Xtreme Music sound card, what do I need to buy to get these working with it?

Cheers all

 

[james.miller]

a stereo amplifier such as the Cambridge Audio A1

 

[Gromm]

Cheers for the reply, I'm off to buy one now!