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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
If wireless convenience and features like sweatproof certification and active noise cancelling are important to you, the JBL Tune Buds will suit your needs, but keep in mind that they offer lower call and meeting quality. The Sennheiser CX300S, on the other hand, provide a wired connection that could offer a more stable audio experience with slightly better sound quality for music and video, but lack modern features such as an app equalizer and wireless capabilities. If you frequently use earbuds for exercise or travel, JBL's sweatproofing and noise isolation may be more beneficial, while Sennheiser offers a simple, robust build with no frills. 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 Buds
- Good for exercise
- Very good for air travel
Advantages of the Sennheiser CX300S
- Good for TV and video
Key differences
Music
6.2
6.9
The Sennheiser CX300S and JBL Tune Buds 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 Tune Buds is poor.
Phone Calls
4.9
3.0
The JBL Tune Buds and Sennheiser CX300S are both poor for phone calls, though the JBL Tune Buds is somewhat better.
Podcasts and Audiobooks
5.8
4.7
The JBL Tune Buds and Sennheiser CX300S are both poor for podcasts and audiobooks, though the JBL Tune Buds is somewhat better.
TV and Video
6.1
7.3
The Sennheiser CX300S is good for TV and video, while the JBL Tune Buds is only fair.
Battery
10.4 Hours
N/A
The JBL Tune Buds has 10.4 hours of battery life. The Sennheiser CX300S does not have a battery.
Cost
$70
$44
$0
$20
$40
$60
$80
$100
The JBL Tune Buds has a price of $70 and the Sennheiser CX300S costs $44.
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Key similarities
Noise Reduction
6.7
7.0
Although they have very similar scores, PerfectRec considers Sennheiser CX300S to be good for noise reduction, while the JBL Tune Buds is only fair.
Build Quality
8.5
8.0
The JBL Tune Buds and Sennheiser CX300S both have very good build quality.
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How the JBL Tune Buds and the Sennheiser CX300S compare to other earbuds and headphones
Spec Comparison
 |  | |
| JBL Tune Buds | Sennheiser CX300S |
GENERAL | |||
|---|---|---|---|
| Price | |||
$70 | $44 | ||
Brand | |||
Brand | JBL | Sennheiser | |
Release Date | |||
Release Date | May 1, 2023 | February 1, 2019 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wireless | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 6.3/10 | 7/10 | |
Phone Calls Score | |||
Phone Calls Score | 4.9/10 | 3.1/10 | |
Gaming Score | |||
Gaming Score | 5.5/10 | 6.1/10 | |
TV and Video Score | |||
TV and Video Score | 6.1/10 | 7.4/10 | |
Exercise Score | |||
Exercise Score | 7.6/10 | 4.2/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 10.4 Hours | N/A | |
Wireless charging | |||
Wireless charging | No | N/A | |
Charging time | |||
Charging time | 2 Hours | N/A | |
Bluetooth version | |||
Bluetooth version | 5.3 | N/A | |
Case Battery Life | |||
Case Battery Life | 30 | N/A | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | Yes | No | |
Noise Reduction Score | |||
Noise Reduction Score | 6.8/10 | 7/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Android App | |||
Android App | Yes | N/A | |
iOS App | |||
iOS App | Yes | N/A | |
Mic Quality | |||
Mic Quality | 6/10 | N/A | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.5/10 | 8/10 | |
Comfort score | |||
Comfort score | 7/10 | 7.6/10 | |
Size | |||
Size | Large | Small | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 10.8 Grams | 12 Grams | |
Microphone style | |||
Microphone style | Integrated | N/A | |
Shopping
JBL Tune Buds
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Dig into reviews and images
PC Mag
Tim Gideon | September 2023
"JBL’s Tune Buds stick with the company’s signature bass-heavy sound by default, but a quality in-app EQ lets you sculpt the audio to taste. These noise-cancelling true wireless earphones also mitigate environmental distractions fairly well for the price and offer good battery life. If you're specifically seeking bold, bass-tuned audio out of the box, the Tune Buds are worth a listen."
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 Tune Buds 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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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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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.
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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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