I bought these headphones to me about a week ago. I had previously the beats by dr. dre studio and the Beats Pro. Because of poor workmanship and bassy sound I had to look for new headphones, I got all the beats by dre on the road todgesehen. Now we come to P7, it is very well made, the ear cups fit very well to the head and that with my big ears and head. In my Beats Pro I could not longer than 30min. Listen to music at a time because then I was given pain in the head or ears. The P7 fixed, but is so well damped that no one feels uncomfortable pressure, even after a long gestation period. Personally, I hear almost exclusively instrumental music and the headphone emphasizes every note and every instrument very clear and unadulterated. When I compare the beats with the P7, I must say that the P7 play in a much higher league, both phonetically from processing. The sound quality and volume is very good at listening to the Iphone. But what really can P7 has only be shown when I joined you on my conditioning and heard a few records with you. These headphones have such a thud on it, but are still so damn clear that one out yet recognize every little sound. The headphones make simple songs more beautiful than they true for previously. However, the headphone, you need a couple of hours so that they are recorded and 100% fit perfectly on the head. The enclosed bag has a very nice design and is very well made. That only drawback is the high price. For me, the P7 is certainly the perfect headphones and may hesitate to recommend it everyone!