Hello again my friends Someone asked me about my headphones, so here is my review. The Sennheiser came out of another extensive search and to be honest it was really difficult to decide but at a certain moment you just have to cut the indecision in two. So I settled on the Sennheiser PxC550 II and was not disappointed. It takes blood, sweat and loads of time but researching instead of impulse buying really pays off. The actieve noise cancelling works quite well and it also co