DTThe professional Beyerdynamic DT headphones ensure an optimal sound experience with every application and situation. The Beyerdynamic DT headphone series is perfectly suited to a wide range of environments: the DT 770 PRO is an excellent choice for studio and stage applications. The DT 880 PRO is the perfect choice for reference listening, mastering and mixing The open headphone DT 990 PRO supports analytical listening. Already in the early 80's Beyerdynamic was a true milestone in the history of audio technology. At that time, the new DT headphone range opened up unprecedented possibilities with the models DT 770 PRO, DT 880 PRO and DT 990 PRO and earned appreciative glances from the specialist audience. To this day countless audio professionals worldwide appreciate the uncompromising quality of material, processing and sound.