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What we think
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Updated April 11, 2024·
If you prioritize portability and use during exercise, the JBL Tune Flex earbuds are wireless with a low latency mode, sweatproof certification, and a more comfortable fit for on-the-go activities. They also have a better score for calls and are more optimized for music listening, providing an excellent experience for books and podcasts. However, if gaming and an immersive audio experience with virtual surround are important to you, the Razer Kraken V3 headphones could be the better choice. They come with a boom mic offering good quality for communication, although they are wired and not as portable or exercise-friendly as the JBLs. Both have similar sound quality, but the Krakens provide a virtual surround feature, which the JBLs lack, enhancing the gaming and movie-watching experience. 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 Tune Flex
- Very good for gaming
- Good for exercise
- Very good for air travel
- Excellent for podcasts and audiobooks
Advantages of the Razer Kraken V3
- The Razer Kraken V3 has no clear advantages over the JBL Tune Flex.
Key differences
Gaming
8.5
7.3
The JBL Tune Flex is very good for gaming, while the Razer Kraken V3 is good.
Phone Calls
6.3
5.0
The JBL Tune Flex is only fair for phone calls, while the Razer Kraken V3 is poor.
Podcasts and Audiobooks
9.0
4.7
The JBL Tune Flex is excellent for podcasts and audiobooks, while the Razer Kraken V3 is poor.
TV and Video
7.8
7.0
The JBL Tune Flex and Razer Kraken V3 are both good for TV and video, though the JBL Tune Flex is somewhat better.
Noise Reduction
6.5
6.0
The JBL Tune Flex and Razer Kraken V3 are both only fair for noise reduction, though the JBL Tune Flex is somewhat better.
Battery
6.5 Hours
N/A
The JBL Tune Flex has 6.5 hours of battery life. The Razer Kraken V3 does not have a battery.
Cost
$60
$100
$40
$60
$80
$100
$120
$140
$160
The JBL Tune Flex has a price of $60 and the Razer Kraken V3 costs $100.
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Key similarities
Music
7.3
7.3
The JBL Tune Flex and Razer Kraken V3 are both good for music.
Build Quality
8.5
8.5
The JBL Tune Flex and Razer Kraken V3 both have very good build quality.
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How the JBL Tune Flex and the Razer Kraken V3 compare to other earbuds and headphones
Spec Comparison
 |  | |
| JBL Tune Flex | Razer Kraken V3 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$60 | $100 | ||
Brand | |||
Brand | JBL | Razer | |
Release Date | |||
Release Date | September 1, 2022 | June 1, 2021 | |
Form Factor | |||
Form Factor | Earbuds | Headphones | |
Connectivity | |||
Connectivity | Wireless | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7.3/10 | 7.3/10 | |
Phone Calls Score | |||
Phone Calls Score | 6.3/10 | 5.1/10 | |
Gaming Score | |||
Gaming Score | 8.6/10 | 7.4/10 | |
TV and Video Score | |||
TV and Video Score | 7.8/10 | 7/10 | |
Exercise Score | |||
Exercise Score | 7.7/10 | 4.1/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 6.5 Hours | N/A | |
Wireless charging | |||
Wireless charging | No | N/A | |
Charging time | |||
Charging time | 2 Hours | N/A | |
Bluetooth version | |||
Bluetooth version | 5.2 | N/A | |
Case Battery Life | |||
Case Battery Life | 18 | N/A | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | Yes | No | |
Noise Reduction Score | |||
Noise Reduction Score | 6.5/10 | 6/10 | |
Virtual Surround | |||
Virtual Surround | No | Yes | |
Android App | |||
Android App | Yes | N/A | |
iOS App | |||
iOS App | Yes | N/A | |
Mic Quality | |||
Mic Quality | 5.1/10 | 7/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.5/10 | 8.5/10 | |
Comfort score | |||
Comfort score | 7.6/10 | 7/10 | |
Size | |||
Size | Large | N/A | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 9 Grams | 325 Grams | |
Microphone style | |||
Microphone style | Integrated | Boom | |
Shopping
JBL Tune Flex
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Dig into reviews and images
MajorHiFi
Gabby Bloch | May 2023
"JBL is offering a similar design and arguably better resolution than the more expensive AirPods 3rd Generation. Add to that a comfortable and versatile fit, an equalizer and pretty decent ANC, and you’ve got a quality wireless earphone. I would have loved longer battery life and more crystal calls, but for the price, you can’t complain. A solid deal overall."
Razer Kraken V3
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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 Tune Flex 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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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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