They are more detailed and sharp. I hear more sibilance on the DT1990 then the DT770, or rather, on badly recored tracks I hear it more. The DT1990 is great for classical music, and for me, especially important, for symphonic heavy metal. (you can likley guess my age by the my last statementhI, I have DT 770 PRO 250 OHM, and I really like the sound, I don't notice excessive sibilance and brightness. I would like to switch to the 1990s, how do they compare in terms of high frequencies to the 770s?
Thanks

It is a upgrade no doubt, and also a endgame headphone... funny but true
