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Compare Sennheiser Flex 5000 vs. Sennheiser HD 558

This is a side-by-side comparison of the specs of the Flex 5000 vs. the HD 558. Differences are highlighted in yellow.
Item Flex 5000 HD 558
Item image Item image
Impedence 16Ω [x] 50Ω [x]
Wireless? Yes [x]
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