No, the DT 1770 PRO is an advanced version of the DT 770 PRO, made for audio engineers, producers and musicians who need a pair of high-end studio headphones with uncompromising performance in all relevant aspects such as sound, design, comfort and accessories.
The DT 770 PRO will still be available for musicians, audio engineers, producers as well as beginners who want a reliable, robust and affordable pair of headphones to work with.