How Active Noise Cancelling Works

Noise cancelling headphones are designed to maintain a safer listening volume by cancelling out any intrusive external noises instead. They help lower the risk of damaging your hearing as you'll no longer be competing with these outside sounds.

from Google Alert - Business https://ift.tt/2L46v6q
Noise cancelling headphones are designed to maintain a safer listening volume by cancelling out any intrusive external noises instead. They help lower the risk of damaging your hearing as you'll no longer be competing with these outside sounds. https://ift.tt/eA8V8J

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