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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
The AKG K712 Pro offers very good sound quality with a very good soundstage, making them well-suited for listening to music and watching TV or videos. Being over-ear, open-back headphones, they are comfortable for long sessions but may not be ideal for noisy environments as they don't isolate noise well. They need a dedicated amplifier for the best experience and are not portable or suitable for exercise. In contrast, the JBL Live Flex 3 earbuds are wireless with very good portability and are better for use during exercise, with features like sweatproof and dustproof certification. They are less expensive and provide good sound quality but are not optimal for calls and meetings or gaming due to poorer soundstage. The Smart Charging Case with an LED touch display offers convenient controls, and the earbuds support LDAC for high-quality audio over Bluetooth. If you often travel or need versatility, the JBLs are a solid choice, but for home use focused on high-fidelity listening, the AKGs are superior. 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
- Good for gaming
- Very good for TV and video
- Good for podcasts and audiobooks
Advantages of the JBL Live Flex 3
- Very good for music
- Very good for exercise
Key differences
Gaming
7.0
5.5
The AKG K712 Pro is good for gaming, while the JBL Live Flex 3 is poor.
Podcasts and Audiobooks
7.8
5.9
The AKG K712 Pro is good for podcasts and audiobooks, while the JBL Live Flex 3 is poor.
TV and Video
8.4
5.7
The AKG K712 Pro is very good for TV and video, while the JBL Live Flex 3 is poor.
Noise Reduction
2.5
8.3
The JBL Live Flex 3 is very good for noise reduction, while the AKG K712 Pro is poor.
Battery
N/A
10.0 Hours
The AKG K712 Pro does not have a battery. The JBL Live Flex 3 has 10 hours of battery life.
Cost
$659
$216
$100
$150
$200
$250
$300
$350
$400
The AKG K712 Pro has a price of $659 and the JBL Live Flex 3 costs $216.
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Key similarities
Music
7.7
8.0
Although they have very similar scores, PerfectRec considers JBL Live Flex 3 to be very good for music, while the AKG K712 Pro is good.
Phone Calls
4.9
5.2
The JBL Live Flex 3 and AKG K712 Pro are both poor for phone calls.
Build Quality
8.5
8.5
The AKG K712 Pro and JBL Live Flex 3 both have very good build quality.
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How the AKG K712 Pro and the JBL Live Flex 3 compare to other earbuds and headphones
Spec Comparison
 |  | |
| AKG K712 Pro | JBL Live Flex 3 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$659 | $216 | ||
Brand | |||
Brand | AKG | JBL | |
Release Date | |||
Release Date | July 1, 2013 | June 1, 2024 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7.8/10 | 8.1/10 | |
Phone Calls Score | |||
Phone Calls Score | 4.9/10 | 5.3/10 | |
Gaming Score | |||
Gaming Score | 7/10 | 5.5/10 | |
TV and Video Score | |||
TV and Video Score | 8.5/10 | 5.8/10 | |
Exercise Score | |||
Exercise Score | 4.4/10 | 8.4/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | N/A | 10 Hours | |
Wireless charging | |||
Wireless charging | N/A | Yes | |
Charging time | |||
Charging time | N/A | 2 Hours | |
Bluetooth version | |||
Bluetooth version | N/A | 5.3 | |
Case Battery Life | |||
Case Battery Life | N/A | 40 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | Yes | |
Noise Reduction Score | |||
Noise Reduction Score | 2.5/10 | 8.4/10 | |
Virtual Surround | |||
Virtual Surround | No | Yes | |
Android App | |||
Android App | N/A | Yes | |
iOS App | |||
iOS App | N/A | Yes | |
Mic Quality | |||
Mic Quality | N/A | 7/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.5/10 | 8.5/10 | |
Comfort score | |||
Comfort score | 8.4/10 | 7/10 | |
Size | |||
Size | N/A | Large | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 235 Grams | 8.8 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."
Get a great deal on the AKG K712 Pro or the JBL Live Flex 3
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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