Between Sony's MDR-1000x and the Bose Q35, its my opinion that Sony takes the cake. Testing both out in a noisy electronics store (music playing in the back ground, PA making announcements, people talking, etc) There was extreme background silence with Sony's Noise cancelling system.

Outstanding noise cancelling; rich; full sound

Ear drums can ache at times...and not due to loud play back but possibly sound wave compression due to such a tight seal around the ears (this is my untrained ear's opinion) Wife did not experience this; and I do not every time; just a couple times so far.

These are the best headphones I have ever used ! The noise cancelling feature provides you with a whole new level / world. They are very comfortable, I can keep listening (with Noise Cancelling ON) for hours without any discomfort. It works great on either Bluetooth or wired audio connection.

I'm glad that at least I got mine for 215 USD in sealed box. But again, I think I wasted my money. The headset is annoying, mostly because of the creaks and functionality. It does sound decent.. but that's where it ends. Durability and construction are on the cheap side.

NC

Creaking Noise all over the headphones after little use

I bought this product for work and was impressed by the early reviews and features advertised. Needless to say, Sony really delivered on this one. I work a blue collar job with loud diesel engines underneath me all night.

It is hard to say something is perfect but hear goes. Extremely comfortable to wear. Aesthetically pleasing. Not too heavy. Battery time is good. Sound quality is excellent. On par with b&w headphones. Love them.

Superb. Excellent sound quality and noise cancelling. I recently used these on a flight where the plane had propellers, and I sat right by one. Very noisy, but these headphones block the majority out, even when not playing music.

Amazing clear sound easy bluetooth connectivity weeks of battery life

None so far

Very nice Headphone. I am a music lover so i prefer to SONY MDR 1000X. It is much better than BOSE QC35. So i love this Headphone. I am using ATH M50X from last 4 months that's very nice but bass is slightly low in ATH M50X. But in this (SONY MDR 1000X) case all is very well. So cool voice.

I own both MDR1000-X and QC35s. Bought the Sonys first and was very happy until my first long haul flight when I realised they cannot be used in noise-cancelling mode only, as they switch off after about 10 minutes with no audio input.

Bluetooth sound quality; effectiveness of noise cancelling; very comfortable

Auto power off

Was after a pair of noise cancelling headphones for an upcoming holiday so tried to justify some for the flight. Researched between QC35s and these and based on features I thought that these would be better for me. Sound quality is excellent.