Which speakers to choose

I think they are the same thing. M-Audio doesn't even show the Studiophile series on their web site any longer.
Note the bass response - only down to 90Hz. 10 watts - low power.
Most folks here will tell you not to bother wiht low price monitors, but if you truly need something in this price range, they are better than using computer speakers. Shop ebay, you'll see these discounted all the time.
 
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