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Updated April 11, 2024·
If you prioritize an immersive music experience over cost and need headphones suitable for some air travel, the JBL Tune 660NC might be a better choice with its noise canceling feature and good comfort for long durations. However, it's less ideal for exercise due to its size and form factor. On the other hand, the JBL Tune Flex offers excellent portability and is sweatproof, making it more suitable for workouts and outdoor activities. While also lower in cost, it provides a very good sound quality for music and a low latency mode that could benefit video content and gaming. Keep in mind, though, that it lacks the noise-cancelling feature of the 660NC. 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 660NC
- The JBL Tune 660NC has no clear advantages over the JBL Tune Flex.
Advantages of the JBL Tune Flex
- Good for music
- Very good for gaming
- Good for TV and video
- Good for exercise
- Very good for air travel
- Excellent for podcasts and audiobooks
Key differences
Music
6.1
7.3
The JBL Tune Flex is good for music, while the JBL Tune 660NC is only fair.
Gaming
5.4
8.5
The JBL Tune Flex is very good for gaming, while the JBL Tune 660NC is poor.
Phone Calls
5.1
6.3
The JBL Tune Flex is only fair for phone calls, while the JBL Tune 660NC is poor.
Podcasts and Audiobooks
5.7
9.0
The JBL Tune Flex is excellent for podcasts and audiobooks, while the JBL Tune 660NC is poor.
TV and Video
5.6
7.8
The JBL Tune Flex is good for TV and video, while the JBL Tune 660NC is poor.
Noise Reduction
6.0
6.5
The JBL Tune Flex and JBL Tune 660NC are both only fair for noise reduction, though the JBL Tune Flex is somewhat better.
Battery
42.0 Hours
6.5 Hours
The JBL Tune 660NC has 42 hours of battery life. The JBL Tune Flex has 6.5 hours of battery life.
Cost
$50
$60
$0
$20
$40
$60
$80
$100
The JBL Tune 660NC has a price of $50 and the JBL Tune Flex costs $60.
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Key similarities
Build Quality
8.0
8.5
The JBL Tune Flex and JBL Tune 660NC both have very good build quality.
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How the JBL Tune 660NC and the JBL Tune Flex compare to other earbuds and headphones
Spec Comparison
 |  | |
| JBL Tune 660NC | JBL Tune Flex |
GENERAL | |||
|---|---|---|---|
| Price | |||
$50 | $60 | ||
Brand | |||
Brand | JBL | JBL | |
Release Date | |||
Release Date | February 1, 2021 | September 1, 2022 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wired + Wireless | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 6.1/10 | 7.3/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.1/10 | 6.3/10 | |
Gaming Score | |||
Gaming Score | 5.5/10 | 8.6/10 | |
TV and Video Score | |||
TV and Video Score | 5.6/10 | 7.8/10 | |
Exercise Score | |||
Exercise Score | 6/10 | 7.7/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 42 Hours | 6.5 Hours | |
Wireless charging | |||
Wireless charging | No | No | |
Charging time | |||
Charging time | 2 Hours | 2 Hours | |
Bluetooth version | |||
Bluetooth version | 5 | 5.2 | |
Case Battery Life | |||
Case Battery Life | N/A | 18 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | Yes | Yes | |
Noise Reduction Score | |||
Noise Reduction Score | 6/10 | 6.5/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Android App | |||
Android App | N/A | Yes | |
iOS App | |||
iOS App | N/A | Yes | |
Mic Quality | |||
Mic Quality | 6.8/10 | 5.1/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8/10 | 8.5/10 | |
Comfort score | |||
Comfort score | 6/10 | 7.6/10 | |
Size | |||
Size | N/A | Large | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 172 Grams | 9 Grams | |
Microphone style | |||
Microphone style | Integrated | Integrated | |
Shopping
JBL Tune 660NC
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Dig into reviews and images
SoundGuys
Chase Bernath | April 2023
"The JBL Tune 660NC is the best value you can get from a set of on-ear headphones. There's no companion app so you don't get many additional features, but everything the JBL Tune 660NC sets out to do, it does well. At this price, the JBL Tune 660NC is an easy recommendation for on-ear headphone lovers"
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."
Get a great deal on the JBL Tune 660NC or the JBL Tune Flex
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.
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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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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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