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Compare Sennheiser HD 450BT vs. Sennheiser HD 650

This is a side-by-side comparison of the specs of the HD 450BT vs. the HD 650. Differences are highlighted in yellow.
Item HD 450BT HD 650
Item image Item image
Active noise cancellation? Yes [x]
Impedence 300Ω [x]
Bluetooth version 5 [x]
Wireless? Yes [x]
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