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Headphones

Compare Sony MDR-RF840RK vs. Sony MDR-Z7M2

This is a side-by-side comparison of the specs of the MDR-RF840RK vs. the MDR-Z7M2. Differences are highlighted in yellow.
Item MDR-RF840RK MDR-Z7M2
Item image Item image
Impedence 28Ω [x] 56Ω [x]
Cord length 3m [x]
Magnet Ferrite [x] Neodymium [x]
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