The lossless 2.4GHz wireless tech pumped into the Sennheiser RS170 headphones means that they can offer sound quality comparable with Sennheiser's non-wireless cans. The wireless functionality comes at a premium, but the impressive range and performance make it worthwhile if you'll make use of the added freedom.
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Overall
8/10
By Stuart Andrews
Reviewed 06 March 2010
Updated 06 February 2011