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Headphones

Compare Sennheiser HD 660S vs. Sony MDR-NC11A

This is a side-by-side comparison of the specs of the HD 660S vs. the MDR-NC11A. Differences are highlighted in yellow.
Item HD 660S MDR-NC11A
Item image Item image
Impedence 150Ω [x] 20Ω [x]
Cord length 1.5m [x]
Magnet Neodymium [x]
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