Sennheiser HD 650 over-ear open-back Headphones - Official Thread

Iā€™m assuming one can use this thread to post about HD6XX as well.

Based on this frequency response, this simple EQ profile given below may make this headphone sound more fun and a little bit wider.

APO (Peace interface)

End result should be subtle. Adjust the gains to taste. :wink:

EDIT: first version ended up being fatiguing. Backed out the gains a bit.

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