Excellent sound quality, i wish the noise suppression was more complete.

Excellent sound quality, i wish the noise suppression was more complete.  Read Less

These have by far the best quality audio of any earphones i have ever owned.

These have by far the best quality audio of any earphones i have ever owned.  Read Less

The foam padding started to fall apart, and noise canceling function recently reduced to near nonexistent.

The foam padding started to fall apart, and noise canceling function recently reduced to near nonexistent.  Read Less

Without question the highest in quality for noise-canceling headphones on the market.

Without question the highest in quality for noise-canceling headphones on the market.  Read Less

I got these on a great sale from amazon and have no regrets!

I got these on a great sale from amazon and have no regrets!  Read Less

My cost of the headphones: about $1/hour of use.

My cost of the headphones: about $1/hour of use.  Read Less

A bit pricey, but you get what you pay for.

A bit pricey, but you get what you pay for.  Read Less

I got mine at a great price reduction from amazon.

I got mine at a great price reduction from amazon.  Read Less

Within days of receiving them senn determined they could not be repaired or it was not worth repairing them.

Within days of receiving them senn determined they could not be repaired or it was not worth repairing them.  Read Less

Delivers on the promise of cancelling the continuous pattern sounds like aircraft engines and traffic.

Delivers on the promise of cancelling the continuous pattern sounds like aircraft engines and traffic.  Read Less

Logged into sennheiser to log my warranty claim.

Logged into sennheiser to log my warranty claim.  Read Less

First pair i received were opened, missing their accessories and had bad tweeters.

First pair i received were opened, missing their accessories and had bad tweeters.  Read Less

The included travel case is a nice touch.

The included travel case is a nice touch.  Read Less

I'd love to take these back in time 40 or 50 years, and see the look on the face of someone who tried them on an airliner back then.

I'd love to take these back in time 40 or 50 years, and see the look on the face of someone who tried them on an airliner back then.  Read Less

No noise cancelling headphones at this level can do that, not even the main competitor from bose.

No noise cancelling headphones at this level can do that, not even the main competitor from bose.  Read Less

I also tried some sony wireless noise cancelling headphones and the sound quality and noise suppression were both very noticeab...  Read More

I also tried some sony wireless noise cancelling headphones and the sound quality and noise suppression were both very noticeably better on the sennheiser.  Read Less

After a couple misses, i finally tried the sennheiser pxc 450 headphones.

After a couple misses, i finally tried the sennheiser pxc 450 headphones.  Read Less

Gave away my beats by dre (over-rated on so many levels), and went back to sennheiser.

Gave away my beats by dre (over-rated on so many levels), and went back to sennheiser.  Read Less