"This is your portable bliss"5.0 starson by ajdbarros
Pros: Very comfortable to use, excellent noise reduction, very good sound quality and acceptable volume level output.
Cons: A bit bulky, will not work at all without a battery.
Summary: I had a Sennheiser PXC-300 before buying the QC-15. And I thought I had a top noise-cancelling headphone. Well, I must say the QC-15 changed my mind. It is bigger, but the comfort in wearing it and the quietness it gives is unbeatable. I sometimes fly a turbo-helix plane and with the PXC-300 the only choice was to listen to rock music, or just noise. Now, I can easily watch a film and listen to quiet conversations or just go for piano music. If you travel a lot, this is portable bliss - just forget all the noise around you and relax. Just be careful not to miss the plane!