I'm always pleased to review Beyerdynamic products, and I recently had a chance to check out the T 51 p. I was very pleased to review the T 51 i. I honestly believe that the only difference between the T 51 p and the T 51 i is that the T 51 i is licensed to work on the iPod, iPhone, and iPad. I believe that it is made to work with the three-button remote and microphone, … [Read more...] about The T 51 i Headphones from Beyerdynamic