You can get more ideas from reddit
https://www.reddit.com/r/headphones
If you want to try more headphones I recommend Beyer Dynamics. Dt1990 is said to be very good and details. I have the Amiron Home which are a bit softer. They are both probably better than your HD6xx but not as good as the Elex.
https://www.reddit.com/r/headphones
If you want to try more headphones I recommend Beyer Dynamics. Dt1990 is said to be very good and details. I have the Amiron Home which are a bit softer. They are both probably better than your HD6xx but not as good as the Elex.