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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 10, 2024·
If you prioritize gaming, TV and video use, or regular calls and meetings, go for the EPOS PC38X as they're tailored for these activities with excellent sound quality, microphone, and specialized features for immersive sessions. However, the PC38X is wired with an open-back design, offering less portability and noise isolation, making them less ideal for commuting or noisy environments. On the other hand, if wireless convenience, portability, and features like active noise cancelling are important to you, and you engage in activities such as exercise where sweatproof certification matters, the JBL Live Flex 3 would serve you better despite being the pricier option. The JBLs also offer app customization and are optimized for both Android and Apple users, but they are not the best choice for immersive gaming or serious sound work. 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 EPOS PC38X
- Best in class for music
- Best in class for phone calls
- Best in class for gaming
- Excellent for TV and video
- Good for podcasts and audiobooks
Advantages of the JBL Live Flex 3
- Very good for exercise
Key differences
Music
9.5
8.0
The EPOS PC38X is best in class for music, while the JBL Live Flex 3 is very good.
Gaming
10.0
5.5
The EPOS PC38X is best in class for gaming, while the JBL Live Flex 3 is poor.
Phone Calls
10.0
5.2
The EPOS PC38X is best in class for phone calls, while the JBL Live Flex 3 is poor.
Podcasts and Audiobooks
7.9
5.9
The EPOS PC38X is good for podcasts and audiobooks, while the JBL Live Flex 3 is poor.
TV and Video
9.0
5.7
The EPOS PC38X is excellent 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 EPOS PC38X is poor.
Battery
N/A
10.0 Hours
The EPOS PC38X does not have a battery. The JBL Live Flex 3 has 10 hours of battery life.
Cost
$139
$216
$50
$100
$150
$200
$250
$300
The EPOS PC38X has a price of $139 and the JBL Live Flex 3 costs $216.
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Key similarities
Build Quality
8.5
8.5
The EPOS PC38X and JBL Live Flex 3 both have very good build quality.
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How the EPOS PC38X and the JBL Live Flex 3 compare to other earbuds and headphones
Spec Comparison
 |  | |
| EPOS PC38X | JBL Live Flex 3 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$139 | $216 | ||
Brand | |||
Brand | EPOS | JBL | |
Release Date | |||
Release Date | September 1, 2020 | June 1, 2024 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 9.6/10 | 8.1/10 | |
Phone Calls Score | |||
Phone Calls Score | 10/10 | 5.3/10 | |
Gaming Score | |||
Gaming Score | 10/10 | 5.5/10 | |
TV and Video Score | |||
TV and Video Score | 9.1/10 | 5.8/10 | |
Exercise Score | |||
Exercise Score | 4.5/10 | 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 | N/A | Yes | |
Android App | |||
Android App | N/A | Yes | |
iOS App | |||
iOS App | N/A | Yes | |
Mic Quality | |||
Mic Quality | 10/10 | 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) | 249.4 Grams | 8.8 Grams | |
Microphone style | |||
Microphone style | Boom | Integrated | |
Shopping
EPOS PC38X
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Dig into reviews and images
Everyday Listening
Ryan Soo | November 2021
"Lightweight and comfortable design, Mic arm with mute, Excellent tuning, Highly natural midrange voicing, Clean and separated bass, Solid soundstage dimensions. Combining all day comfort and integrated coms with a balanced and spacious sound from essentially any source, it is hard to deny the versatility and value provided by the PC38X."
Get a great deal on the EPOS PC38X or the JBL Live Flex 3
About EPOS
EPOS is a relatively new company with a very long heritage. Previously known as Sennheiser Communications, EPOS is the result of the joint venture between the German headphone manufacturer Sennheiser and the Danish Demant that sought to develop premium audio communication solutions. They specialize in two main product groups, enterprise communications and gaming communication headsets and processing devices.
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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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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