I had the qc2 with the u fly Mike when I was instructing 2007 - 2010, logged about 900 hours with them. Not as expensive as the Bose noise canceling, noise reduction in the Cessna ( 152 and 172 ) was a little better than the regular ones, but you didn't have the clamping on the head. They are a good setup in general and the nice thing is you have a headset to use for music when not flying. You just need to make sure you keep spare batteries as there is no sound if they die.
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