TheTechLounge posted a review on the Sennheiser PXC 450 Headphones
A quote from the article:
>> Sennheiser PXC 450 Headphones Review
A quote from the article:
Sennheiser creates some of the best audiophile headphones you can buy, but they also manufacture professional headsets for the aviation industry that feature an active noise-canceling technology dubbed NoiseGard. Today we'll take a look at a pair of their high-end consumer headphones, the PXC 450, that includes the same NoiseGard technology as used in some of the
professional aviation models.
>> Sennheiser PXC 450 Headphones Review