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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
If portability and wireless convenience are priorities, the JBL Live Flex 3 earbuds are the better choice. They're also a solid option for exercise thanks to being sweatproof and having a good fit with secure accessories. You'll enjoy high-quality sound with noise isolation and active noise canceling, useful for commuting or air travel. Keep in mind the battery life is limited to 10 hours, but they do offer a smart charging case with touch display features. However, for gaming and TV, the Razer Kraken V3 headphones would be more suitable, providing virtual surround sound and a boom mic, although they aren't wireless and might not be as comfortable for extended wear or portable as the JBLs. 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 JBL Live Flex 3
- Very good for music
- Very good for exercise
Advantages of the Razer Kraken V3
- Good for gaming
- Good for TV and video
Key differences
Music
8.0
7.3
The JBL Live Flex 3 is very good for music, while the Razer Kraken V3 is good.
Gaming
5.5
7.3
The Razer Kraken V3 is good for gaming, while the JBL Live Flex 3 is poor.
Podcasts and Audiobooks
5.9
4.7
The JBL Live Flex 3 and Razer Kraken V3 are both poor for podcasts and audiobooks, though the JBL Live Flex 3 is somewhat better.
TV and Video
5.7
7.0
The Razer Kraken V3 is good for TV and video, while the JBL Live Flex 3 is poor.
Noise Reduction
8.3
6.0
The JBL Live Flex 3 is very good for noise reduction, while the Razer Kraken V3 is only fair.
Battery
10.0 Hours
N/A
The JBL Live Flex 3 has 10 hours of battery life. The Razer Kraken V3 does not have a battery.
Cost
$216
$70
$50
$100
$150
$200
$250
$300
The JBL Live Flex 3 has a price of $216 and the Razer Kraken V3 costs $70.
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Key similarities
Phone Calls
5.2
5.0
The JBL Live Flex 3 and Razer Kraken V3 are both poor for phone calls.
Build Quality
8.5
8.5
The JBL Live Flex 3 and Razer Kraken V3 both have very good build quality.
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How the JBL Live Flex 3 and the Razer Kraken V3 compare to other earbuds and headphones
Spec Comparison
 |  | |
| JBL Live Flex 3 | Razer Kraken V3 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$216 | $70 | ||
Brand | |||
Brand | JBL | Razer | |
Release Date | |||
Release Date | June 1, 2024 | June 1, 2021 | |
Form Factor | |||
Form Factor | Earbuds | Headphones | |
Connectivity | |||
Connectivity | Wireless | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 8.1/10 | 7.3/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.3/10 | 5.1/10 | |
Gaming Score | |||
Gaming Score | 5.5/10 | 7.4/10 | |
TV and Video Score | |||
TV and Video Score | 5.8/10 | 7/10 | |
Exercise Score | |||
Exercise Score | 8.4/10 | 4.1/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 10 Hours | N/A | |
Wireless charging | |||
Wireless charging | Yes | N/A | |
Charging time | |||
Charging time | 2 Hours | N/A | |
Bluetooth version | |||
Bluetooth version | 5.3 | N/A | |
Case Battery Life | |||
Case Battery Life | 40 | N/A | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | Yes | No | |
Noise Reduction Score | |||
Noise Reduction Score | 8.4/10 | 6/10 | |
Virtual Surround | |||
Virtual Surround | Yes | Yes | |
Android App | |||
Android App | Yes | N/A | |
iOS App | |||
iOS App | Yes | N/A | |
Mic Quality | |||
Mic Quality | 7/10 | 7/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.5/10 | 8.5/10 | |
Comfort score | |||
Comfort score | 7/10 | 7/10 | |
Size | |||
Size | Large | N/A | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 8.8 Grams | 325 Grams | |
Microphone style | |||
Microphone style | Integrated | Boom | |
Shopping
Razer Kraken V3
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Dig into reviews and images
Soundguys
Sam Smart | November 2022
"This Razer Kraken V3 is a great headset for gamers who want comfort, surround sound, and software customization for a reasonable price. It's primarily a headset for PC gamers since THX Spatial audio is only supported on Windows. If you want something more multifaceted for multiple systems, this won't be an ideal headset for you. Luckily, there are plenty of competent Kraken V3 alternatives available to you."
Get a great deal on the JBL Live Flex 3 or the Razer Kraken V3
About JBL
JBL is an American audio equipment manufacturer. Owned by Harman International which is, itself, owned by Samsung Electronics. JBL markets a wide array of monitoring speakers, professional headphones and consumer market headphones and earbuds. It was founded in 1946 by James Bullough Lansing (whose initials give the company its name) and has become one of the most prolific audio companies ever. Their products were responsible for audio during the 1969 Woodstock Festival.
About Razer
Razer is an American-Singaporean hardware manufacturer aimed specifically toward the gaming market. They manufacture a very wide array of gaming laptops, tablets, phones, peripherals and, of course, headphones and earbuds both wired and wireless. Since 2016, Razer has owned the THX suite, aimed at quality assurance of audiovisual systems such as speaker sets, video game consoles and even movie theaters.
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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
Joe Golden, Ph.D
CEO and Earbuds and Headphones Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.
Chandradeep Chowdhury
Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
Luis Torres
Earbuds and Headphones Expert
Luis is a Mexico-based headphones expert. He’s been making headphone recommendations for five years and has close to 100 pairs in his personal collection.
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