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Well, I don't know about that. The most important thing really is how your MP3s are encoded. However, I use it with my MBP and I'm happy with the results.
 
after just a quick look at the product, I don't see how that could be anything other than snake oil. It's the equivalent of trying to make chicken soup out of chicken sh*t. spend your money elsewhere. maybe save up for a higher capacity music player and re-encode your music at a higher bitrate. THAT will make them sound much better!
 
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