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Compare Sennheiser HD 660 S Apogee vs. Sony MDR-ED21LP

This is a side-by-side comparison of the specs of the HD 660 S Apogee vs. the MDR-ED21LP. Differences are highlighted in yellow.
Item HD 660 S Apogee MDR-ED21LP
Item image Item image
Magnet 300 [x]
Impedence 150Ω [x] 16Ω [x]
Cord length 1m [x]
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