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Thread: New noise-cancelling headphones in Polaris and PE
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Old Aug 31, 2025 | 6:19 pm
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Originally Posted by eng3
Maybe it mostly relies on passive noise reduction ...
It then would not be labeled as "noise cancelling". Power is the reason for the second plug. There are some headsets that still work as headsets (and no noise cancelling) when without power, but many do not.
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