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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
The Bose QuietComfort Ultra Earbuds offer a premium listening experience with higher overall sound quality and better noise isolation which is particularly beneficial for air travel and busy environments. These earbuds also have more robust build quality and build-in controls, making them more convenient for everyday use. However, they are more expensive and have shorter battery life than Soundcore Space A40. The Soundcore earbuds are lighter and provide a longer battery life, which includes a case that supports wireless charging, making them more practical for extended use. If budget allows and sound quality with noise isolation is a priority, the Bose is a strong choice, but for longer battery life and lighter buds at a lower price, consider the Soundcore Space A40. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the Bose QuietComfort Ultra Earbuds
- Very good for music
- Very good for gaming
- Very good for TV and video
- Very good for exercise
Advantages of the Soundcore Space A40
- The Soundcore Space A40 has no clear advantages over the Bose QuietComfort Ultra Earbuds.
Key differences
Music
8.6
7.7
The Bose QuietComfort Ultra Earbuds is very good for music, while the Soundcore Space A40 is good.
Gaming
8.8
4.9
The Bose QuietComfort Ultra Earbuds is very good for gaming, while the Soundcore Space A40 is poor.
Podcasts and Audiobooks
6.0
4.9
The Bose QuietComfort Ultra Earbuds is only fair for podcasts and audiobooks, while the Soundcore Space A40 is poor.
TV and Video
8.1
5.3
The Bose QuietComfort Ultra Earbuds is very good for TV and video, while the Soundcore Space A40 is poor.
Battery
6.5 Hours
8.0 Hours
The Bose QuietComfort Ultra Earbuds has 6.5 hours of battery life. The Soundcore Space A40 has 8 hours of battery life.
Cost
$249
$80
$50
$100
$150
$200
$250
$300
$350
The Bose QuietComfort Ultra Earbuds has a price of $249 and the Soundcore Space A40 costs $80.
Build Quality
9.0
8.5
The Bose QuietComfort Ultra Earbuds has excellent build quality, while the Soundcore Space A40 has very good build quality.
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Key similarities
Phone Calls
5.1
4.8
The Bose QuietComfort Ultra Earbuds and Soundcore Space A40 are both poor for phone calls.
Noise Reduction
8.9
9.1
Although they have very similar scores, PerfectRec considers Soundcore Space A40 to be excellent for noise reduction, while the Bose QuietComfort Ultra Earbuds is very good.
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How the Bose QuietComfort Ultra Earbuds and the Soundcore Space A40 compare to other earbuds and headphones
Spec Comparison
 |  | |
| Bose QuietComfort Ultra Earbuds | Soundcore Space A40 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$249 | $80 | ||
Brand | |||
Brand | Bose | Soundcore | |
Release Date | |||
Release Date | September 1, 2023 | August 1, 2022 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wireless | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 8.7/10 | 7.8/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.1/10 | 4.9/10 | |
Gaming Score | |||
Gaming Score | 8.8/10 | 5/10 | |
TV and Video Score | |||
TV and Video Score | 8.2/10 | 5.4/10 | |
Exercise Score | |||
Exercise Score | 8.4/10 | 6.2/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 6.5 Hours | 8 Hours | |
Wireless charging | |||
Wireless charging | No | Yes | |
Charging time | |||
Charging time | 2 Hours | 0.8 Hours | |
Bluetooth version | |||
Bluetooth version | 5.3 | 5.2 | |
Case Battery Life | |||
Case Battery Life | 21 | 32 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | Yes | Yes | |
Noise Reduction Score | |||
Noise Reduction Score | 8.9/10 | 9.1/10 | |
Virtual Surround | |||
Virtual Surround | Yes | N/A | |
Android App | |||
Android App | Yes | Yes | |
iOS App | |||
iOS App | Yes | Yes | |
Mic Quality | |||
Mic Quality | 6.2/10 | 6/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 9/10 | 8.5/10 | |
Comfort score | |||
Comfort score | 8.4/10 | 7.6/10 | |
Size | |||
Size | Medium | Small | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 7.7 Grams | 4 Grams | |
Microphone style | |||
Microphone style | Integrated | Integrated | |
Shopping
Bose QuietComfort Ultra Earbuds
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Dig into reviews and images
Soundguys
Christian Thomas | October 2023
"Bose put the time in to fix the major issues with the previous earbuds, and the Bose QuietComfort Ultra Earbuds are very befitting of its price point. While you might be tempted to save a few bucks and go with the Bose QuietComfort Earbuds II on sale, fight the urge. There are enough upgrades here to justify the newer model."
Soundcore Space A40
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Dig into reviews and images
Sound Guys
Sam Smart | May 2023
"The Anker Soundcore Space A40 is an excellent deal if you want affordable noise canceling earbuds with great sound. The baseline frequency response is enjoyable, and the many EQ presets to choose from plus the ability to customize your sound profile makes it good for pretty much anyone. The noise canceling is quite good, and the many ear tips to choose from ensure a good fit for the noise canceling and isolation to do its job."
Get a great deal on the Bose QuietComfort Ultra Earbuds or the Soundcore Space A40
About Bose
Bose is an American audio equipment manufacturer based out of Framingham, Massachusetts. Founded in 1964 by Amar Bose with the goal of creating a speaker system that could accurately recreate the sound of a concert hall, Bose has become one of the most prominent players in the modern consumer audio market due to the premium feel of their products and their wide brand recognition.
About Soundcore
Soundcore is a sub-brand belonging to Anker Innovations. Starting in 2014, initially marketing wireless, Bluetooth, speakers, Anker now offers an array of, budget-friendly, wireless earbuds and headphones that directly compete, especially in the Active Noise Canceling field, with other brands several times as expensive.
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Why trust us
This information was produced and vetted by the PerfectRec earbuds & headphones team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest earbuds or headphones information and makes it digestible for you.
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About the Earbuds or Headphones team
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