Choosing between two high-end Bose earbuds can be challenging. Both models promise strong sound quality and noise cancellation, but they differ in a few key areas. This comparison focuses only on verified details from the product descriptions and genuine customer reviews.
Design and Fit
The product description states that both models are wireless Bluetooth earbuds with soft silicone tips and stability bands for comfort and security. The Ultra Earbuds (2nd Gen) include nine combinations of eartips and stability bands, while the Earbuds II come with a Bose Fit Kit containing three sizes of eartips and stability bands.
Reviewers have noted that both earbuds feel secure and comfortable for extended use. Some Ultra owners mentioned the fit remains stable during activities like workouts, while Earbuds II users described the earbuds as lightweight and snug.
Noise Cancellation
The product description states that the Ultra Earbuds (2nd Gen) offer “world-class noise cancellation” and feature ActiveSense technology, which smooths spikes in surrounding sound. The Earbuds II also feature personalized noise cancellation, adjusted automatically to the listener’s ears.
Reviewers have noted that both models deliver exceptional noise cancellation. Some Earbuds II users described it as effectively reducing nearly all background sounds, while Ultra users emphasized that even loud environments, such as airplanes or public spaces, were significantly quieted.
Listening Modes and Audio
The product description states that the Ultra Earbuds (2nd Gen) include Quiet Mode, Aware Mode, and Immersion Mode, the latter combining Bose’s noise cancelling with Immersive Audio for a spatial sound experience. The Earbuds II personalize audio and noise cancelling to the user’s ears but do not mention Immersive Audio in their description.
Reviewers have noted that the Ultra’s Immersive Audio mode adds depth to music and movies, creating a noticeable 3D effect when supported by the content. Users of both models described the sound quality as rich, balanced, and clear, with distinct bass and treble performance.
Call Quality
The product description states that the Ultra Earbuds (2nd Gen) include noise-rejecting microphones and AI-based background noise suppression for clearer calls. The product description for the Earbuds II confirms call capability but does not specify microphone technology.
Reviewers have noted that both models perform well for phone calls, with Ultra users highlighting clear voice pickup even in noisy conditions. Earbuds II users also found call audio clear but did not comment on AI features.
Battery and Charging
The product description states that both models provide up to six hours of listening time per charge. The Ultra Earbuds (2nd Gen) offer up to four hours with Immersive Audio enabled, and their charging case holds three full recharges. The Ultra’s case also supports wireless charging.
The product description states that the Earbuds II case does not mention wireless charging but does offer quick charging, providing two hours of use from a 20-minute charge.
Reviewers have noted that both models generally meet the advertised battery life. Some Ultra users reported achieving longer playback, while others appreciated the convenience of wireless charging. Earbuds II reviewers mentioned the quick-charge feature as helpful during travel or daily commutes.
Connectivity and App Support
The product description states that the Ultra Earbuds (2nd Gen) support Bluetooth multipoint connectivity, allowing seamless switching between multiple devices. The Earbuds II use Bluetooth 5.3 and can remember up to seven paired devices, though their description and reviews confirm they do not support multipoint connections. Both products use the Bose app for updates and customization.
Reviewers have noted that Ultra owners found device switching smooth and the app easy to use. Earbuds II reviewers appreciated the app’s setup process but mentioned occasional connectivity issues and difficulty viewing the case’s battery level.
What Reviewers Have Noted
Reviewers of the Ultra Earbuds (2nd Gen) frequently mentioned strong noise cancellation, clear sound, and comfortable fit. Many highlighted the Immersive Audio feature as a standout addition. Several reviewers also praised the wireless charging case and stable Bluetooth connection.
Reviewers of the Earbuds II described excellent sound quality and comfort. They praised the noise cancelling and secure fit but some reported occasional connectivity issues and limited app information, such as not showing the charging case battery level.
What’s Not Specified
The product descriptions for both earbuds do not include details about maintenance costs, replacement parts, or water resistance ratings. The product description for the Earbuds II does not mention wireless charging.
Recommendation
If you’re looking for the most advanced features, the product description for the Bose QuietComfort Ultra Earbuds (2nd Gen) highlights Immersive Audio, AI-enhanced call clarity, wireless charging, and Bluetooth multipoint. Reviewers have noted these features perform well in everyday use, with excellent noise cancellation and sound quality.
For those who want premium performance at a slightly lower price, the Bose QuietComfort Earbuds II remain an excellent choice. The product description emphasizes personalized noise cancellation and quick charging, and reviewers have noted they provide exceptional comfort and sound despite occasional connectivity concerns.
In summary, the Ultra model delivers more advanced audio and connectivity features, while the Earbuds II offer much of Bose’s signature quality at a lower price point. Both stand out for their sound and comfort, depending on what features matter most to you.
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