How to Change Noise Cancellation on Bose QC35 II

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The Bose QuietComfort 35 II (QC35 II) headphones have set the standard for wireless audio excellence, offering users unparalleled comfort, sound quality, and noise cancellation. However, for users seeking greater control over their auditory environment, understanding how to adjust the noise cancellation settings on these headphones is essential. In this comprehensive guide, we delve into the step-by-step process of changing noise cancellation levels on the Bose QC35 II, empowering users to tailor their listening experience to their preferences and surroundings.

Overview of the Bose QC35 II

The Bose QC35 II headphones have earned acclaim for their ability to deliver immersive soundscapes while simultaneously blocking out unwanted external noise. Designed for audiophiles, travelers, and everyday users alike, these headphones promise to transport users into the heart of their favorite music, podcasts, and audio content with unparalleled clarity and fidelity.

Understanding Noise Cancellation

Noise cancellation technology works by using microphones to detect ambient noise and then generating sound waves that are the exact opposite (anti-noise) to cancel out the unwanted noise. This process creates a quieter environment for the listener, allowing them to focus on their audio content without distractions from external sounds.

Adjusting Noise Cancellation Levels

The Bose QC35 II headphones offer three levels of noise cancellation that users can adjust to suit their preferences and surroundings:

  1. High: Maximum noise cancellation for environments with loud or persistent background noise, such as airplanes, trains, or busy offices.
  2. Medium: Moderate noise cancellation for environments with moderate ambient noise, providing a balance between noise reduction and awareness of the surroundings.
  3. Low (Off): Minimal noise cancellation or no active noise cancellation, allowing users to hear more of their surroundings while still enjoying the benefits of passive noise isolation provided by the headphones’ design.

Step-by-Step Guide to Changing Noise Cancellation on Bose QC35 II

  1. Power On the Headphones: Begin by powering on your Bose QC35 II headphones. Press the power switch on the right earcup to turn on the headphones.
  2. Access Noise Cancellation Controls: Once the headphones are powered on, locate the Action button on the left earcup. This button is marked with a symbol that resembles a circle with a line through it.
  3. Press and Hold the Action Button: Press and hold the Action button for a few seconds until you hear a voice prompt or notification indicating that the noise cancellation level is being adjusted.
  4. Release the Action Button: After pressing and holding the Action button, release the button once you hear the desired noise cancellation level announced. The headphones will cycle through the available noise cancellation levels (High, Medium, Low) with each press of the Action button.
  5. Confirmation: Listen for the voice prompt or notification confirming the selected noise cancellation level. You should hear the headphones announce “High,” “Medium,” or “Low” to indicate the current noise cancellation setting.
  6. Fine-Tuning: If you wish to further adjust the noise cancellation level, repeat the process by pressing and holding the Action button until you reach the desired setting.
  7. Testing: Once you’ve selected the desired noise cancellation level, test the headphones in your current environment to ensure that the level of noise cancellation suits your preferences and surroundings.

Additional Tips and Considerations

  • Battery Life: Keep in mind that higher levels of noise cancellation may result in increased power consumption and reduced battery life. If battery life is a concern, consider using the Medium or Low noise cancellation settings when appropriate.
  • Experimentation: Don’t be afraid to experiment with different noise cancellation levels in various environments to find the setting that works best for you. Some users may prefer maximum noise cancellation in noisy environments, while others may prefer a lower level of noise cancellation to maintain awareness of their surroundings.
  • Bose Connect App: For added convenience and customization options, consider using the Bose Connect app to adjust noise cancellation levels and access additional features. The app allows users to control various aspects of their Bose headphones from their smartphone or tablet.


In conclusion, changing noise cancellation levels on the Bose QC35 II headphones is a straightforward process that can be completed with just a few simple steps. By following the step-by-step guide outlined in this review, users can tailor their listening experience to their preferences and surroundings, ensuring optimal comfort and immersion.

Whether you’re seeking maximum noise cancellation in a noisy environment or prefer a lower level of noise cancellation to maintain awareness of your surroundings, the Bose QC35 II headphones offer the flexibility and control to adapt to your needs. With the ability to adjust noise cancellation levels at the touch of a button, users can enjoy a personalized audio experience that enhances every moment.

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