Beyerdynamic - DT 1990 PRO MKII Open Back Premium Headphones, TESLA.45 Driver Te
Beyerdynamic DT 1990 PRO MKII Open-Back Studio Headphones. The DT 1990 PRO MKII open-back studio headphones are the second generation of the popular premium model. At the heart is the newly developed TESLA.45 driver technology.