beyerdynamic MMX-300 2. Generation – Thomann United States
Beyerdynamic DT 990 | bol.com
Beyerdynamic DT 770 PRO 250 Ohm « Koptelefoon
Amazon.com: beyerdynamic DT 770 PRO 80 Ohm Over-Ear Studio Headphones in Gray. Enclosed design, wired for professional recording and monitoring : Musical Instruments