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Review title: Work well on airplanes but...
Product review: These headphones made a huge difference when I tried them on airplanes. That must be what they're specifically designed for. Even without music playing, you can no longer hear the plane's engine with the headphones switched on. I closed my eyes and even missed the flight attendants' offering me a drink!They performed less well on buses and trains: they made a slight difference on a noisy subway. The sound quality is pretty good, not great. However, the volume from one of the ears was noticably louder than the volume from the other ear--I confirmed this with several friends. This got very annoying with certain songs. I suspect the pair I received was defective.They're not comfortable, not uncomfortable. My ears were a little sore after a few hours of wearing them, but it wasn't too bad.
