Isolation from the outside - useless

Positive
- The noise canceling function is incredibly impressive when you experienced the first time.
- Comfortable to wear
- Very good sound

Negative
- Absolutely no isolation from the outside, my workmates / the people on the plane would not be happy if I so hear music. My girlfriend is standing 2-3 feet away and was able to hear a lot at medium volume.
- Price is therefore disproportionate

Therefore, if you have (for example, wandering about in the city.) Take no consideration for other people it's a great product. But since one headset also or in my case particularly like can also set up wants without neighbors on the plane or colleagues are harassed, it is unfortunately the wrong product for this price.

I would be very happy about tips if there Noice canceling headphones that isolate very well to the outside world.