Can anybody who knows this 4.1 speakers system (which I bought about 6 years ago) tell me what is the most equivalent 2.1 speakers system in terms of sound quality (ignoring that there is no surround) ?
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I want to buy speakers for a computer (not the one which I have these speakers with) and I need some referance for what should I buy. (I have no idea what quality I get for which price.. I need quality that is a bit less then of these I think)

I don't know what's a "single 1/8" digital out jack". they are connected to my motherboard's standard sound ports, nothing special. (though I did use them with soundblaster live! until recently when I bought a new PC)

I'm not really looking for specific speakers yet, and I don't find cambridge soundworks' speakers around my area anyway.
I'm trying to find in what price range the speakers I'd buy should be, so if you can name a few speaker systems that have about the same sound quality as mine I could check what are the prices for them here.

I use those green/black cables.

Does anyone else know then?
I'm actually not looking for high quality speakers but something cheaper (as I said in the first post, the speakers I would like to buy can be of somewhat lesser quality then the Cambridge ones).
I was thinking about Creative SBS370, but if those are of about the same (or higher) quality as cambridge's I might go for something cheaper.

I was wondering the EXACT same thing... I too have the 4.1 setup... as best I can remember mine were purchased in 1999 along with a SoundBlaster Live... the Live has been retired but the speakers are still in use.

How much better would any of those THX Logitech speakers be over this setup? I have an X-Fi Xtreme Music for my sound card.