FiiO M21 DAP Closed Back Headphone Recommendations

[Sheepadoodling]

Actually, this is a loaded question in that I wanted some recommendations on Closed Back headphones that the FiiO M21 can power. I wanted to buy the DROP Dan Clark Closed Back they have up there but I cannot for the life of me figure out if this DAP can power these supposedly power hungry headphones. I also keep moving around from review to review of Beyerdynamic headphones but build quality keeps scaring me away from buying anything. Basically I can't decide on what to buy and need assistance. All I know is that I need closed back to keep the sound to a minimum and have a budget of about 500 max, that's why i was looking at the DROP DCA Closed Back X headphones.

I just need some recommendations that the FiiO M21 can power...I can't google anymore, my fingers hurt, my head hurts from all the this way and that way reviews on everything. Anyone out there want to chime in on recommendations for me that The FiiO M21 can run?

 

[solderdude]

When you can EQ a headphone I can seriously recommend the new Beyerdynamic DT 770 PRO X.

Review in a couple of days.
Good comfort, easy to drive, very good sound quality (once the piercing treble is addressed), decent attenuation from outside sounds.

Another good recommendation is the Austrian Audio Hi-X60 and maybe the HD 620S

 

[Sheepadoodling]

When you can EQ a headphone I can seriously recommend the new Beyerdynamic DT 770 PRO X.

Review in a couple of days.
Good comfort, easy to drive, very good sound quality (once the piercing treble is addressed), decent attenuation from outside sounds.

Another good recommendation is the Austrian Audio Hi-X60 and maybe the HD 620S

Then I’ll wait for the review, let me know when it lands.

 

[solderdude]

Then I’ll wait for the review, let me know when it lands.

DT 770 PRO X and DT 990 PRO X reviews are up.

DT 770 PRO X

Beyerdynamicback to measurementshome published: July-29-2025 NO SMOOTHING is applied to the shown plots. Most measurement sites have some smoothing applied which ‘irons flat’ sharp peaks and ‘wiggl…

diyaudioheaven.wordpress.com

DT 990 PRO X

Beyerdynamic back to measurements home published: July-29-2025 NO SMOOTHING is applied to the shown plots. Most measurement sites have some smoothing applied which ‘irons flat’ sharp peaks and ‘wig…

diyaudioheaven.wordpress.com