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Review title: Hiss and throbbing noises
Product review: I cannot recommend these headphones.I do quality assurance for a living and pay attention to details. I gave this model of headphones (Sony MDRNC6) a try about a year ago and found the following, using a brand new battery (actually I tried several batteries):Headphones off: I hear background noise (to be expected) and music sounds good when played.Headphones on: Background noise lessens (good), but at the same time a high-frequency hiss and a low-frequency throbbing are introduced (not good). These hiss/throb sounds were not part of the background noise and I heard these even when using the headphones in a quiet location, when the headphones were plugged into a MP3 device and when they were not, when music played and when it was not playing. When the music played, turning the headphones on added a hiss and throbbing to the music.I found the hiss annoying and the throbbing disturbing. I cannot recommend these headphones based on these findings.
