Perhaps I have too high expectations, but honestly I'm a bit disappointed! The bass has insufficient pressure, especially frequencies below ~ 150Hz. At the same time, however, the levels are not very good wiedergegeben.Der sound becomes muffled and unfortunately quite undefined! What bothers me is that the maximum volume is not very high, which means that without sound distortion and schäppert! (No, I'm certainly not deaf!)
Since I produce music and would say to me, to have a pretty good and trained ear, I can recommend all the headphones which can be satisfied with the above-mentioned shortcomings and rarely or never want to give the "acoustic edge".
Ps the headset is completely unsuitable as a studio headphones!
Conclusion: Mean sound claims are largely fulfilled- you but can not expect too much. In other words, to the "iPhone 4s + Hollister Polo - to complete lifestyle with Sennheiser headphones in the S-Bahn absolutely suitable ;-)
Sound 3/5
Processing: 4/5
Style: 4/5
Price: 4.5 / 5