How ANC and passive isolation work
- ANC uses built-in microphones and electronics to sample outside noise and create an opposite sound wave to cancel it.
- Passive isolation uses the closed ear cups to physically reduce sound.
What to expect
ANC is most effective at reducing low-frequency noises (for example, engine hum and air conditioning). Higher-frequency sounds like voices are harder to cancel. A good seal from the ear cups helps.
There is usually a very low level of white noise from the process. In very quiet environments with no audio playing, you might notice it. Music or other audio usually masks this sound.
Fit and how to improve performance
Lake sure that the earcups make a good seal around your ears. A proper seal improves both comfort and ANC performance.
If you notice less cancellation, ensure that the removable ear pads are fully attached to the headphones. You may also need to reposition hair, hats or glasses if they are preventing a good seal.
Limitations
ANC cannot remove all sounds. Some residual noise may remain, especially in very loud environments or with abrupt sounds. Performance varies by model and how well the headphones fit you.
If your Bluetooth source device has sound protection settings (like "Reduce Loud Sounds"), these can interfere with ANC.
Need help?
If you have questions about a specific model, check the user manual or contact our support team.