How Does The Noise Cancelling of Senhnheiser CX 400-II Work?
Feb 25, 2017 at 4:09 PM Thread Starter Post #1 of 1

nhftk4320

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As far as i've seen online, Sennheiser CX 400-II are indeed noise cancelling. And from what I know noise cancelling requires a battery for the dedicated mic.
Are the earphones noise cancelling? and if so - do they require a battery?
 

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