DT 770 STUDIO Headphones. The phrase Studio standard" is thrown around far too often when describing recording gear. That phrase has never been more accurate than when describing the DT-770 by Beyerdynamic. Beyerdynamic invented the dynamic headphone 90 years ago, and the DT-770 has been a studio standard, closed-back headphone for over 30 of those years. The DT-770 is a tracking headphone. It has high isolation to keep what's playing in your headphone in your headphone and out of your microphones. The isolation is also to keep outside sounds out of your monitor mix. The huge bass and crispy highs are there to inspire your performance throughout every session. Since these are professional, handmade in Germany tools, every part including the headband, cable, and earpads can be replaced, ensuring a life-long investment. The only difference between the DT-770 STUDIO and the classic DT-770 is the name. This 80ohm, exclusive headphone is optimized for use in professional recording studios and hi-end recording gear. The word STUDIO has been added to drive the point home that this hi-impedance headphone belongs in the studio.