Is Sennheiser's new headphone REALLY an upgrade?

Sennheiser has produced a number of legendary headphones like the HD 580, HD 650, HD 600 and more. Now they've come out with the brand new HD 660S2. Resolve takes a deep dive in Sennheiser's latest open-back headphone to see how it stacks up to the legends. Find out if it lives up to the hype, and if the extra sub-bass is worth it.

Check out DMS's review of the HD660S2 here:    • HD660S2 - The side-grade we've been waitin...  

Sennheiser HD 660S2: https://headphones.com/products/sennh...
Sennheiser HD 650: https://headphones.com/products/sennh...
Sennheiser HD 600: https://headphones.com/products/sennh...

Additional measurements and Resolve's HD 660S2 EQ settings: https://forum.headphones.com/t/sennhe...

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How to read headphone measurements
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How to EQ Headphones
   • EQ Basics - Watch BEFORE you get started!  

Moving to the B&K 5128 and what that means:    • Say goodbye to the Harman target  

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00:00 - Intro
01:17 - Build, Design & Comfort
03:40 - Sound: Objective
09:13 - Sound: EQ
10:00 - Sound: Subjective
11:25 - Conclusion