Amazon.com: beyerdynamic DT 770 Pro Studio Headphones - Over-Ear, Closed-Back, Professional Design for Recording and Monitoring (80 Ohm, Grey) : Musical Instruments
Beyerdynamic DT 770-PRO-32 DT770 DT-770 Ohm Studio Headphones Open Box 4010118483660 | eBay
beyerdynamic DT-770 Pro 80 Ohm – Thomann United States