88 years of beyerdynamic – time to refine the legendary DT 770 Pro headphones with a special 32 Ohms edition. beyerdynamic celebrates its 88th anniversary with a refined edition of the DT 770 PRO headphone – the professional audio industry standard for more than 20 years. Its newly developed 32 Ohms drivers are based on our world-renowned 80 Ohms & 250 Ohms drivers. While the new DT 770 PRO 32 Ohms limited anniversary edition satisfies even the highest studio requirements, it is also compatible with smartphones, MP3 players, tablets, laptops & PC soundcards.