Full hopeful expectation I have received the headphones, unpacked and tested. The sound is good, to my mind, the bass could be better, the highs and mids and especially the vocals are clearly transmitted. Adaptation to the ears is a bit complicated because the lead wires must be brought behind the ears so that they sit halfway optimally, unfortunately has to be constantly readjusted as one moves or goes. All I could get over, but after less than 3 months has broken a plastic part with the listeners. really no clean processing. at this price Tilch own impudence. Amazon has withdrawn the product hesitation - top service! Because if you want to contact the manufacturer you will be referred to a service station in Switzerland or equal to USA. That's a No. Sorry, the Sony XBA4've now bought and so far I'm very happy with it, best Klanguialität and fit and finish. Hope to have any nasty surprises. The Ultimate Ears are stylish and have a good design, but that is not user-friendly and more likely to have a show of character. Therefore, only 1 star because of schleißigen processing