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Title: Newer that the Amazon info implies
Review: Amazon says they were first available in 2001, but the Sennhieser website confirms they were released in 2007.They are very good. I don't hear the hiss commonly complained about in other brands, and they are very comfortable. I work in a room with multiple servers, fans and air-conditioners, and all but one are filtered out. And the music sounds fantastic.
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