Without listening to it, it's impossible to know if the Clari-Fi offers a genuine improvement to MP3 sound quality or if it's just another Monster Cable. One thing is very interesting, though: the Clari-Fi uses power from the audio signal itself to do its magic.
The MP3 player add-on sits in line with your headphones and smoothes the audio in real time. The resplendently-titled Kirkwood Rough of Intunition, the company behind the Clari-Fi, says that the circuitry removes digital artifacts from the music and reduces listening fatigue. There are two models available, one for music ($60) and one tuned for podcasts ($50). For those of you still not convinced, here is some technobabble to bludgeon your skepticism into submission:
Product page [Intunition. Thanks Neil!]
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