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Headphones

Compare Sennheiser HD 660S vs. Sennheiser MOMENTUM Free

This is a side-by-side comparison of the specs of the HD 660S vs. the MOMENTUM Free. Differences are highlighted in yellow.
Item HD 660S MOMENTUM Free
Item image Item image
Type Earphones [x]
Impedence 150Ω [x] 28Ω [x]
Bluetooth version 4.2 [x]
Wireless? Yes [x]
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