Which speakers are better?

AndyC53

Honorable
Oct 31, 2013
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Hi Community,
during the christmas holidays I am planning on building my first budget gaming PC. And I have bought all of my components on amazon yesterday (including my monitor). But I am not sure which speakers to get. I only have a £15 budget. These are the ones I was considering:
http://www.amazon.co.uk/Logitech-OEM-S120-Black-Speakers/dp/B000RAI3OS/ref=pd_cp_computers_2 and these: http://www.amazon.co.uk/Logitech-980-000513-Z120-Stereo-Speakers/dp/B00544XKK4/ref=cm_cr_pr_pb_t
So could you tell me which one of those is better and if you know that there are better speakers on AMAZON UK under £15 please recommend!
Thanks in advance,
Andy C

PS - Could anyone also tell me why the Logitech Z323 speakers are better and if i should or shouldn't wait till I have more money to get those.