Beyerdynamic DT 770 PRO X Studio Headphones - Limited 'Century' Edition To celebrate Beyerdynamic's 100-year anniversary, they have released the DT 770 PRO X Limited Edition, a time-limited special edition of studio headphonesThey combine the reference-setting features of the DT 770 PRO with the flexibility of the dynamic STELLAR.45 driver system and a detachable cable. Made in Germany, the DT 770 PRO X Limited Edition opens a new chapter in the successful beyerdynamic DT series. The DT 770 PRO X Limited Edition circumaural studio headphones feature the tried-and-tested acoustic signature of the DT 770 PRO. Powerful basses, detailed trebles and first-class impulse behaviourprofessional musicians, producers, studio operators and sound engineers have been trusting in these qualities for decades. Flexible and powerful, the studio headphones are perfect for recording and monitoring purposes thanks to their closed-back design.