The Bose QuietComfort Ultra Earbuds 2nd Gen deliver industry-leading noise cancellation, with professional testing showing approximately 85% noise reduction.
What It Blocks
- Low frequencies: airplane engines, HVAC, road noise
- Mid frequencies: office chatter, conversations
- Everyday sounds: traffic, public transit, crowded spaces
2nd Gen Improvements
Refined ANC algorithms provide smoother, more consistent performance, especially with voices and traffic sounds.
ActiveSense Technology
Adaptive Aware Mode that monitors your environment and selectively applies noise cancellation based on sound intensity, protecting your hearing while maintaining awareness.
Customization
The Bose app lets you adjust ANC intensity and create custom listening modes. Touch controls toggle between ANC, Aware, and off.
Note
Some users notice slight "hiss" in very quiet environments with ANC active.
Competition
Closely rivals AirPods Pro 3 (90% reduction) and outperforms most premium earbuds in ANC performance.
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How we researched this
Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Mar 23, 2026.
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