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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
If pure audio quality is your priority and you're often in a quiet environment, the AKG K712 Pro offers superior sound and comfort, especially for home listening sessions with music, TV, and gaming. However, they are open-back, which means more sound leakage and less isolation; they're also bulky and require an amplifier for the best experience. On the other hand, JBL Tune Flex earbuds are much more portable, suitable for exercise and travel, with features like active noise cancelling and sweatproof certification, which the AKGs lack. They also have a low latency mode, making them better for video content on-the-go. The JBLs are far more practical if you're frequently mobile or need a versatile, everyday pair. But remember, their built-in microphone and sound isolation for calls aren't their strongest features. 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 AKG K712 Pro
- Very good for TV and video
Advantages of the JBL Tune Flex
- Very good for gaming
- Good for exercise
- Very good for air travel
- Excellent for podcasts and audiobooks
Key differences
Gaming
7.0
8.5
The JBL Tune Flex is very good for gaming, while the AKG K712 Pro is good.
Phone Calls
4.9
6.3
The JBL Tune Flex is only fair for phone calls, while the AKG K712 Pro is poor.
Podcasts and Audiobooks
7.8
9.0
The JBL Tune Flex is excellent for podcasts and audiobooks, while the AKG K712 Pro is good.
TV and Video
8.4
7.8
The AKG K712 Pro is very good for TV and video, while the JBL Tune Flex is good.
Noise Reduction
2.5
6.5
The JBL Tune Flex is only fair for noise reduction, while the AKG K712 Pro is poor.
Battery
N/A
6.5 Hours
The AKG K712 Pro does not have a battery. The JBL Tune Flex has 6.5 hours of battery life.
Cost
$270
$60
$50
$100
$150
$200
$250
$300
$350
$400
The AKG K712 Pro has a price of $270 and the JBL Tune Flex costs $60.
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Key similarities
Music
7.7
7.3
The AKG K712 Pro and JBL Tune Flex are both good for music.
Build Quality
8.5
8.5
The AKG K712 Pro and JBL Tune Flex both have very good build quality.
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How the AKG K712 Pro and the JBL Tune Flex compare to other earbuds and headphones
Spec Comparison
 |  | |
| AKG K712 Pro | JBL Tune Flex |
GENERAL | |||
|---|---|---|---|
| Price | |||
$270 | $60 | ||
Brand | |||
Brand | AKG | JBL | |
Release Date | |||
Release Date | July 1, 2013 | September 1, 2022 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7.8/10 | 7.3/10 | |
Phone Calls Score | |||
Phone Calls Score | 4.9/10 | 6.3/10 | |
Gaming Score | |||
Gaming Score | 7/10 | 8.6/10 | |
TV and Video Score | |||
TV and Video Score | 8.5/10 | 7.8/10 | |
Exercise Score | |||
Exercise Score | 4.4/10 | 7.7/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | N/A | 6.5 Hours | |
Wireless charging | |||
Wireless charging | N/A | No | |
Charging time | |||
Charging time | N/A | 2 Hours | |
Bluetooth version | |||
Bluetooth version | N/A | 5.2 | |
Case Battery Life | |||
Case Battery Life | N/A | 18 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | Yes | |
Noise Reduction Score | |||
Noise Reduction Score | 2.5/10 | 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 | N/A | 5.1/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.5/10 | 8.5/10 | |
Comfort score | |||
Comfort score | 8.4/10 | 7.6/10 | |
Size | |||
Size | N/A | Large | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 235 Grams | 9 Grams | |
Microphone style | |||
Microphone style | N/A | Integrated | |
Shopping
AKG K712 Pro
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Dig into reviews and images
Headfonics
Michael | October 2013
"AKG has created a mini-masterpiece in my opinion. I enjoy this headphone a great deal and it will become my go-to reference headphone for the time being. She is slick, sexy, well-balanced, and crazy comfortable."
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 AKG K712 Pro 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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Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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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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