I bought pairs of Bose QuietComfort 35 Series II and
Sennheiser PXC-550 wireless noise cancelling
headphones, and compared their performance. Both are good headphones, but the
Bose is the clear winner in nearly every category. The Bose headphones offer
significantly better comfort, ease of use, sound quality, and noise cancelling.
And both are priced at $350, so the choice is easy.