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Title: Will not last
Review: The headphones sound OK, but mine (and others) fail at the plug--and you get low volume or one-channel or cutting out. Because of the way they are constructed, they cannot be easily repaired. The Sennheiser web site does not sell replacement plugs or cables for these units and in fact offers no guidance or comment on this probem at all---even though it is a common mode of failure. Once this failure happens, your investment is essentially lost.
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