Bose QuietComfort Ultra Earbuds (2nd Gen) specifications and in-depth review

Bose QuietComfort Ultra Earbuds (2nd Gen)

Manufacturer: Bose

The Bose QuietComfort Ultra Earbuds (2nd Gen) are designed for those seeking high-quality sound and reliable performance in a compact, wireless form. With their active noise cancellation (ANC) and comfortable in-ear fit, they provide an immersive listening experience. These earbuds are also sweat-resistant, making them a great choice for active users.

In terms of performance, the QuietComfort Ultra Earbuds feature a 9.3mm driver unit and a frequency range of 20 Hz to 20,000 Hz. They offer up to 6 hours of battery life, with an additional 18 hours available via the charging case. The earbuds support Bluetooth 5.3, AAC, and aptX Adaptive, ensuring strong connectivity and sound quality. They also include 8 microphones with noise cancellation, ensuring clear calls and better sound isolation.

Pros
  • The earbuds feature active noise cancellation (ANC) for effective noise reduction in noisy environments.
  • With 8 microphones, the earbuds ensure clear call quality, even in challenging conditions.
  • The earbuds are sweat-resistant, making them suitable for workouts or outdoor activities.
  • They offer fast charging, allowing for quick power-ups when you're on the go.
  • The charging case provides a total of 24 hours of battery life, extending use throughout the day.
Cons
  • The earbuds do not support fast pairing, which could slow down the initial connection process.
  • They lack support for spatial audio or Dolby Atmos, limiting the audio experience for certain types of content.
  • There is no support for Bluetooth LE Audio or NFC pairing, which may reduce convenience for some users.
  • They do not have a built-in translator or the ability to read notifications, limiting some smart functionality.
Who is this for?

The Bose QuietComfort Ultra Earbuds (2nd Gen) are well-suited for users who prioritize active noise cancellation (ANC) and clear communication in noisy environments. These earbuds are ideal for those who need sweat resistance during physical activities such as workouts or outdoor running. With a total of 24 hours of battery life (6 hours per charge plus 18 hours from the case), they are also a great choice for users who need reliable performance throughout the day.

Who is this NOT for?

These earbuds may not be the best choice for users who require advanced features such as spatial audio or Dolby Atmos for immersive sound experiences, as they do not support these technologies. Additionally, users looking for seamless quick connections might be disappointed by the lack of fast pairing and NFC pairing support. Lastly, those who rely on smart features like notification reading or a built-in translator may find these earbuds lacking in functionality.

Design:

Fit In-ear
Ingress Protection (IP) rating IPX4
water resistance Sweat resistant
weight 15.4 g
has no wires or cables
are neckband earbuds
wingtips included
has RGB lighting
has stereo speakers
has UV light
Has a display

The Bose QuietComfort Ultra Earbuds (2nd Gen) are designed for a comfortable, in-ear fit, with a weight of just 15.4 g. These true wireless earbuds feature an IPX4 rating for sweat resistance, making them ideal for workouts or outdoor activities. They do not include a neckband or wingtips, and lack features like RGB lighting or a display, ensuring a more streamlined and functional design without unnecessary extras.

Sound quality:

has active noise cancellation (ANC)
has passive noise reduction
driver unit size 9.3 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
supports spatial audio
has Dolby Atmos
has Dirac Virtuo
has a neodymium magnet

The Bose QuietComfort Ultra Earbuds (2nd Gen) offer exceptional sound quality with both active noise cancellation (ANC) and passive noise reduction to deliver an immersive listening experience. Equipped with a 9.3 mm driver unit, they provide a wide frequency range from 20 Hz to 20,000 Hz. While they do not support spatial audio, Dolby Atmos, or Dirac Virtuo, their noise-canceling capabilities ensure clear and crisp audio performance in various environments.

Power:

Battery life 6 hours
Battery life of charging case 18 hours
charge time 1 hours
has wireless charging
Has a solar power battery
has a battery level indicator
has a rechargeable battery

The Bose QuietComfort Ultra Earbuds (2nd Gen) offer a solid power performance with a 6-hour battery life on a single charge. The included charging case extends usage by an additional 18 hours, giving you up to 24 hours of total playtime. These earbuds also support wireless charging for added convenience and feature a battery level indicator, so you always know how much power remains. They use a rechargeable battery, but do not support solar power charging.

Connectivity:

has fast pairing
Has USB Type-C
Bluetooth version 5.3
has LDAC
has LDHC
has Bluetooth LE Audio
has aptX Adaptive
has aptX Low Latency
has aptX HD
has aptX
has aptX Lossless
has aptX Voice
has Auracast
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC
Can be used wirelessly
has AAC

The Bose QuietComfort Ultra Earbuds (2nd Gen) offer versatile connectivity options with Bluetooth 5.3, providing a reliable connection up to a range of 10 meters. These earbuds support aptX Adaptive and AAC codecs for optimized audio streaming, though they do not feature support for fast pairing, LDAC, or Bluetooth LE Audio. Additionally, they include a USB Type-C port for charging, but do not support NFC pairing or other advanced Bluetooth features like aptX Low Latency or aptX HD.

Features:

release date August 2025
has ambient sound mode
has find device feature
Supports fast charging
multipoint count 2
can read notifications
Has a built-in translator
has a mute function
can be used as a headset
control panel placed on a device
Has voice prompts
travel bag is included
Has an in-line control panel
Has a temperature sensor
Has a built-in camera remote control function

The Bose QuietComfort Ultra Earbuds (2nd Gen) offer several useful features for convenience and functionality. These include ambient sound mode, which allows you to stay aware of your surroundings, and a find device feature to help you locate your earbuds. Additionally, they support fast charging, providing quick power boosts, and can connect to two devices simultaneously with multipoint support. The earbuds also feature a mute function, can be used as a headset, and offer voice prompts to guide users through key functions. A travel bag is included for easy portability, though they lack support for reading notifications or a built-in translator.

Microphone:

number of microphones 8
has a noise-canceling microphone

The Bose QuietComfort Ultra Earbuds (2nd Gen) feature a sophisticated microphone system with 8 microphones for clear communication. These earbuds are equipped with a noise-canceling microphone to reduce background noise, ensuring that your voice is heard clearly even in noisy environments.

Final Verdict

The Bose QuietComfort Ultra Earbuds (2nd Gen) are a strong choice for users seeking high-quality, noise-canceling earbuds with a comfortable in-ear fit and excellent microphone performance. With features like active noise cancellation, sweat resistance, and a solid 24-hour battery life, these earbuds are ideal for everyday use and active lifestyles. However, they may not be the best fit for those seeking advanced features like spatial audio or quick NFC pairing. Overall, these earbuds offer reliable performance and would suit users looking for effective noise isolation and clear communication in a variety of environments.

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