The problem is that the process is not consistent ... and overall have loved my experience with the Bose QuietComfort Ultra headphones.

[Mansour] was disappointed to find out that his Bose QC15 headphones had a dead right ... Much to his surprise, this worked. The problem was that the new driver didn’t have sufficient sound ...

Sennheiser specialises in pro-grade microphones and audio monitor systems, while Bose pioneered active noise cancellation in headphones for use by fighter pilots. Is it any wonder they make such ...