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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
Considering your options, if you prioritize wireless convenience for tasks like casual music listening or air travel, the JBL 510BT would be the right choice, thanks to its wireless capabilities and longer battery life. However, these headphones might not provide the best comfort for extended listening sessions. On the other hand, the Sennheiser CX300S, while costing a bit more and being wired, offers better sound quality and noise isolation, which could make them preferable if you're looking for earbuds to use in noisier environments or for focused listening to TV and videos. The CX300S are also lighter and more portable, making them a better pick for on-the-go use. Neither option is well-suited for gaming due to latency issues and for exercise because they lack sweatproof certification. 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 510BT
- The JBL 510BT has no clear advantages over the Sennheiser CX300S.
Advantages of the Sennheiser CX300S
- Good for TV and video
Key differences
Music
6.2
6.9
The Sennheiser CX300S and JBL 510BT are both only fair for music, though the Sennheiser CX300S is somewhat better.
Gaming
5.4
6.1
The Sennheiser CX300S is only fair for gaming, while the JBL 510BT is poor.
Phone Calls
5.1
3.0
The JBL 510BT and Sennheiser CX300S are both poor for phone calls, though the JBL 510BT is somewhat better.
Podcasts and Audiobooks
5.6
4.7
The JBL 510BT and Sennheiser CX300S are both poor for podcasts and audiobooks, though the JBL 510BT is somewhat better.
TV and Video
5.5
7.3
The Sennheiser CX300S is good for TV and video, while the JBL 510BT is poor.
Noise Reduction
5.3
7.0
The Sennheiser CX300S is good for noise reduction, while the JBL 510BT is poor.
Battery
38.0 Hours
N/A
The JBL 510BT has 38 hours of battery life. The Sennheiser CX300S does not have a battery.
Build Quality
6.5
8.0
The Sennheiser CX300S has very good build quality, while the JBL 510BT has only fair build quality.
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Key similarities
Cost
$50
$50
$0
$10
$20
$30
$40
$50
The JBL 510BT has a price of $50 and the Sennheiser CX300S costs $50.
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How the JBL 510BT and the Sennheiser CX300S compare to other earbuds and headphones
Spec Comparison
 |  | |
| JBL 510BT | Sennheiser CX300S |
GENERAL | |||
|---|---|---|---|
| Price | |||
$50 | $50 | ||
Brand | |||
Brand | JBL | Sennheiser | |
Release Date | |||
Release Date | February 1, 2021 | February 1, 2019 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wireless | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 6.2/10 | 7/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.2/10 | 3.1/10 | |
Gaming Score | |||
Gaming Score | 5.5/10 | 6.1/10 | |
TV and Video Score | |||
TV and Video Score | 5.6/10 | 7.4/10 | |
Exercise Score | |||
Exercise Score | 5.8/10 | 4.2/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 38 Hours | N/A | |
Wireless charging | |||
Wireless charging | No | N/A | |
Charging time | |||
Charging time | 2 Hours | N/A | |
Bluetooth version | |||
Bluetooth version | 5 | N/A | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | No | |
Noise Reduction Score | |||
Noise Reduction Score | 5.3/10 | 7/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Mic Quality | |||
Mic Quality | 7/10 | N/A | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 6.5/10 | 8/10 | |
Comfort score | |||
Comfort score | 5.5/10 | 7.6/10 | |
Size | |||
Size | N/A | Small | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 158.7 Grams | 12 Grams | |
Microphone style | |||
Microphone style | Integrated | N/A | |
Shopping
JBL 510BT
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Dig into reviews and images
SoundGuys
Sam Smart | September 2023
"The JBL Tune 510BT is affordable and compact, making it a great companion for a commute, so long as you don't need active noise canceling. If you wear glasses or have ear piercings, the on-ear design might not be comfortable, since the ear cups will squish your ears."
Sennheiser CX300S
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Dig into reviews and images
Major HiFi
Carroll Moore | April 2019
"Sennheiser offers impressive bang for your buck when it comes to the CX 300S. Built like a tank and sounding surprisingly good for such a budget-minded earphone, the CX 300S out-classes many of its would-be competitors. Functional but beautiful, it’s the perfect in-ear listening solution for anyone who wants to hear everything and look good doing it."
Get a great deal on the JBL 510BT or the Sennheiser CX300S
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 Sennheiser
A family-owned company, Sennheiser is a German, high fidelity, audio equipment manufacturer founded in 1945. Their consumer audio division is now owned by the Swiss hearing aid and cochlear implant manufacturer Sonova. Sennheiser offers a wide variety of, very high quality, audio equipment solutions, from headphones to earbuds, full sets of monitoring speakers, amplifiers and microphones. They also make what is widely regarded as the best, and most expensive, headphones in existence, the HE-1 Orpheus, costing a whopping $59,000 dollars.
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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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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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