Build Quality You cannot expect to pay 400 USD for a NC wireless headphones, then after a couple of uses you can hear creaks all over, thus defeating the NC itself. I would avoid these because of quality issues.. I have Bose QC15 with years of use, I only had to change the earpads, the rest is working great. Again, don't buy these. After extensive traveling with these I found the band to be very prone to be worn out when it had friction against my jeans. Also I found already scratches in the shinny finish part. Sound Quality Sound quality also...

I barely used them... got one pair and a few months later the left earpiece started cutting sound. The retail shop opened them and did a messy job, were working and then stopped. Got a 2nd pair, same issue.   Please don't buy them. I got a SE535 and they don't seem to have any problem, time will tell.   I'm writing half star because so many people have this issue too... cannot write anything about the sound if they keep breaking.

Hello All,   First off all this is a very simple review of someone who enjoy listen to music :).   To give you a better idea of my subjectivity I own the following gear: - Sennheiser HD598 - Cheap Panasonics InEar - Etymotics MC5 - Panasonic HTX7 - Sennheiser PX-80   - Fiio E5 (I usually don't use it)   I don't listen to electronic, hip-hop, rap or anything similar.   This headphones are really amazing and the price is really good at the same level of SE 215. The signature is a little warm. Treble is really detailed and...