The Difference Between Bose QC35 and QC35 II

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Bose has been a dominant force in the realm of audio technology, consistently delivering products renowned for their exceptional sound quality, comfort, and innovation. The QuietComfort 35 (QC35) series has been particularly popular, offering users a premium wireless headphone experience. With the release of the QuietComfort 35 II (QC35 II), Bose introduced several enhancements and new features, sparking curiosity about the differences between the two models. In this comprehensive review, we delve into the distinctions between the Bose QC35 and QC35 II headphones, helping users make informed decisions about their audio investments.

Overview of Bose QC35 and QC35 II

Both the Bose QC35 and QC35 II headphones belong to the QuietComfort series, known for their industry-leading noise cancellation, comfortable design, and impressive sound quality. The QC35 headphones revolutionized the wireless audio landscape upon their release, setting new standards for performance and comfort. With the QC35 II, Bose aimed to refine the formula further and introduce new features to enhance the user experience.

Key Differences Between Bose QC35 and QC35 II

  1. Action Button: One of the most significant differences between the QC35 and QC35 II is the addition of an Action button on the left earcup of the QC35 II model. This button provides access to voice assistants such as Google Assistant or Amazon Alexa, allowing users to perform tasks and control their devices hands-free.
  2. Voice Assistant Integration: While the original QC35 headphones lacked built-in voice assistant support, the QC35 II headphones offer seamless integration with popular voice assistants, including Google Assistant and Amazon Alexa. Users can activate voice assistants with a simple press of the Action button, enabling voice commands for music playback, navigation, and more.
  3. Firmware Updates: The QC35 II headphones introduced the ability to receive firmware updates directly via the Bose Connect app. This feature allows users to stay up to date with the latest enhancements, bug fixes, and new features released by Bose, ensuring optimal performance and compatibility with their devices.
  4. Adjustable Noise Cancellation: While both the QC35 and QC35 II headphones feature Bose’s renowned noise cancellation technology, the QC35 II model offers three levels of adjustable noise cancellation. Users can choose between High, Medium, or Low noise cancellation settings to tailor their listening experience to their preferences and surroundings.
  5. Color Options: The Bose QC35 II headphones are available in a wider range of color options compared to the original QC35 model. While the QC35 headphones were initially offered in limited color choices, Bose expanded the color palette for the QC35 II, allowing users to select a finish that suits their style preferences.

Similarities Between Bose QC35 and QC35 II

Despite the differences mentioned above, the Bose QC35 and QC35 II headphones share many similarities, including:

  1. Comfort: Both models feature the same lightweight and ergonomic design, with plush ear cushions and a padded headband for long-term comfort during extended listening sessions.
  2. Sound Quality: Bose’s signature sound signature, characterized by balanced audio reproduction, clear vocals, and deep bass response, remains consistent across both the QC35 and QC35 II headphones.
  3. Noise Cancellation: Both models utilize Bose’s advanced noise cancellation technology to block out ambient noise and provide users with a tranquil listening environment, whether at home, in transit, or in a busy office.
  4. Wireless Connectivity: Both the QC35 and QC35 II headphones support Bluetooth wireless connectivity, allowing users to pair them with smartphones, tablets, computers, and other Bluetooth-enabled devices for convenient, cable-free listening.
  5. Battery Life: The battery life of the QC35 and QC35 II headphones remains unchanged, with both models offering up to 20 hours of wireless playback on a single charge. Additionally, both models feature a quick charge function that provides approximately 2.5 hours of playback with just 15 minutes of charging.


In conclusion, while the Bose QC35 and QC35 II headphones share many similarities in terms of design, sound quality, and comfort, there are several key differences that set them apart. The addition of an Action button for voice assistant integration, adjustable noise cancellation levels, firmware update capability, and expanded color options make the QC35 II a compelling upgrade for users seeking enhanced functionality and convenience.

Whether you opt for the original QC35 model or the newer QC35 II model, you can expect to enjoy a premium wireless headphone experience with industry-leading noise cancellation, exceptional sound quality, and long-lasting comfort. By understanding the differences between the two models, users can make informed decisions based on their preferences and priorities, ensuring that they select the headphones that best suit their needs.

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