tstarn06
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- May 9, 2006
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PK1 is $159, so it's not really comparably priced with those phones (at least not the UM1, which is $99). From distant memory (sold the UM1s a long time ago), it crushes the UM1. Never owned the other two. Of course, we are talking amped, because that's the real way to listen to the PK1, in my view (I sold my pair, but still think very highly of them. I didn't use them much any more).