Finding a reference headphone (headphone project #2)

My Equalizer APO profiles for the Superlux HD681, Sennheiser HD600 and Audiotechnica ATH50x: https://goo.gl/To6gai

Equalizer APO: https://sourceforge.net/projects/equalizerapo/
Sonarworks: https://www.sonarworks.com/truefi

Superlux HD681 on Gearbest: https://www.gearbest.com/headsets/pp_270782.html?lkid=13711308
Superlux HD681 on amazon:
US: https://amzn.to/2JdBUxt
UK: https://amzn.to/2pZnOqZ
DE: https://amzn.to/2uJRBJU

Donate: https://www.paypal.me/oluvsgadgets

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