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Hi, I am looking for advice on what are good second surround sound systems for £400. I would like a subwoofer and rear speakers. I have been looking at the Sony BDV-E4100. Any suggestions? Thanks

I found a pair of Bang & Olufsen Beovox cx100 desk speakers on Craigslist in excellent condition for $190. Two questions: 1. Is this a good deal for this model in this condition? 2. What kind of amp will I need to drive them? On Craigslist the specs of the speakers are listed as "6 hohm...