I opted for the 15er model and for the following reason. The QC15 we operated with a standard battery, enough for 30 hours of music. The QC3 uses a proprietary battery.
I have to think I do not use that thing that every day. Sometimes for no weeks. There was much more comfortable with the solution via battery. Batteries you can get anywhere and on stock also does not hurt ind erTasche is enough space for it.
Furthermore, the QC3 only OnEar the QC15 is ArroundEar - I like much better with personally.
Two other points that I gefallen.Beim QC15 are 2 cables, one for normal use, the other for integrated Apple devices, the latter has a remote control cable. Ultimately, you can also connect the Apple cable to any android. The sticking point, however, the cable is so easy to replace. It is easy from the headphones out ziehen.Der plug on headphones is partially integrated into the housing, it is also given so when you pull the cable is no movement on the internal plug contact. Someone has even thought along wirlich.
Radio mode via telephone is thus also possible.
Second gimmick is sliding switch on the cable - must be to actuate the one the cable but pull out of the headphones out. There are 2 positions HI & LO. Normal position HI. Why bother? On the plane so used to the armrest plugged you sometimes noise on the line, hum / whistle ETAS. Since the LO setting has always helped me so far. The noise level is reduced slightly, the disturbances are almost or no longer no longer be fortuitous.
How much the thing swallows you realize, however, only when you're in a really noisy environment. Especially in the aircraft's noise suppression of the hammer. One has to merely note that one does not come with the Kopfhöhrergehäus the Innenvergleidung the aircraft, not even in contact with sitting back. Transmitted the druch mechanical contact The sounds are of course not reduced.
And even without the sound source can use the headphones. Cable out and just turn it. Already it is quiet - around it; =)
When these things has 2-3 hour on the plane on the ears, and then decreases again, then you realize in what kind of a machine room to actually sit there.
Comes complete with a flat pocket with zipper. The Höhrer fits in there perfectly. The ear cups can be rotated 90 degrees for. The case is sufficiently stable - probably has an insert. There is space for some accessories also. Furthermore, an adapter for 2 pin connectors on the plane with was there. Whereby, the has probably everyone still somewhere lying around and most seats have indeed a normal jack.
Bose Bass - who does not like it does not take yes. Personally higher form with the QC15 still more nuances than with many other Kopfhöhrern. For me, the QC15 therefore not only a specialist NoiseCancelling also a good all-rounder of the way is not an exaggerated size special.
Conclusion - I would the fortuitous even if it is not cheap to buy again and again.
