Supposedly “The Best” Mixing Studio Headphones…….beyerdynamic DT 770 PRO: Closed studio headphones Posted on January 27, 2019 By CCMedia No Comments on Supposedly “The Best” Mixing Studio Headphones…….beyerdynamic DT 770 PRO: Closed studio headphones https://north-america.beyerdynamic.com/dt-770-pro.html Audio.Video.Design.