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I bought a pair of earbuds on eBay and I'm slightly concerned that they could be a knockoff. Its pretty difficult for me to tell if they are fakes or not since I have nothing to compare the sound with, and as far as I know, it sounds fine and better than my previous earbuds.

Are there any simple methods to gauge the performance of the earbuds so I can get some numbers to compare with existing data for my earbuds? Things like impedance, frequency range, etc

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migrated from Jan 27 '14 at 15:06

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What makes you think it is a "knockoff"? – Flimzy Nov 4 '11 at 21:42
@Flimzy I bought it from ebay, though the seller had a very good rep(thousands of positive reps) and a very large store, the prices were quite cheaper than retail. $40 instead of $120. – mugetsu Nov 4 '11 at 22:25

Ultimately the best test will be your ears.

If they sound good to you and you feel they were worth the price then you probably got a good deal.

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