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Headphones

Compare Sennheiser HD 558 vs. Sony MDR-NC40

This is a side-by-side comparison of the specs of the HD 558 vs. the MDR-NC40. Differences are highlighted in yellow.
Item HD 558 MDR-NC40
Item image Item image
Impedence 50Ω [x] 68Ω [x]
Cord length 1.5m [x]
Magnet Neodymium [x]
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