Bang & Olufsen Beoplay H9i review: Gorgeous headphones with great active noise cancellation

The high-end Danish speaker maker Bang & Olufsen, affectionately known by its initials B&O, has long been known for building audio and video components sporting stylish, striking designs that command very high prices. Hit hard by the 2008 economic crisis, B&O has since refocused on its traditional strengths, including building a solid line of headphones. The B&O