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CX300S
Company ProductName Specs




Momentum 4
Company ProductName Specs




What we think

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The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·

If you prioritize sound quality and a premium listening experience with features like active noise cancelling, the Sennheiser Momentum 4 would be a better choice, but they come with a higher price tag. They offer a high level of comfort, long battery life, and excellent mic quality, making them suitable for long listening sessions, calls, and meetings. However, if budget is a concern, and you want a portable solution with decent sound and are fine with a simpler wired design without noise-cancelling, the Sennheiser CX300S could serve you well at a significantly lower cost. Keep in mind the CX300S lack a microphone and their sound isolation is lower, but they are also more suited for exercise due to their smaller size and lighter weight. 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 Sennheiser CX300S
  • The Sennheiser CX300S has no clear advantages over the Sennheiser Momentum 4.
Advantages of the Sennheiser Momentum 4
  • Good for music
  • Excellent for gaming
  • Very good for TV and video
  • Very good for air travel
  • Very good for podcasts and audiobooks

Key differences

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Music

6.9
CX300S
Momentum 4
7.5
The Sennheiser Momentum 4 is good for music, while the Sennheiser CX300S is only fair.

Gaming

6.1
CX300S
Momentum 4
9.0
The Sennheiser Momentum 4 is excellent for gaming, while the Sennheiser CX300S is only fair.

Phone Calls

3.0
CX300S
Momentum 4
6.8
The Sennheiser Momentum 4 is only fair for phone calls, while the Sennheiser CX300S is poor.

Podcasts and Audiobooks

4.7
CX300S
Momentum 4
8.2
The Sennheiser Momentum 4 is very good for podcasts and audiobooks, while the Sennheiser CX300S is poor.

TV and Video

7.3
CX300S
Momentum 4
8.9
The Sennheiser Momentum 4 is very good for TV and video, while the Sennheiser CX300S is good.

Noise Reduction

7.0
CX300S
Momentum 4
9.1
The Sennheiser Momentum 4 is excellent for noise reduction, while the Sennheiser CX300S is good.

Battery

N/A
CX300S
Momentum 4
59.0 Hours
The Sennheiser CX300S does not have a battery. The Sennheiser Momentum 4 has 59 hours of battery life.

Cost

$50
CX300S
Momentum 4
$250
Product image
Product image

$0

$50

$100

$150

$200

$250

$300

$350

The Sennheiser CX300S has a price of $50 and the Sennheiser Momentum 4 costs $250.

Build Quality

8.0
CX300S
Momentum 4
9.0
The Sennheiser Momentum 4 has excellent build quality, while the Sennheiser CX300S has very good build quality.
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How the Sennheiser CX300S and the Sennheiser Momentum 4 compare to other earbuds and headphones

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Spec Comparison

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Sennheiser CX300SSennheiser Momentum 4
Sennheiser CX300SSennheiser Momentum 4

GENERAL

Price
$50
$250
Brand
SennheiserSennheiser
Release Date
February 1, 2019August 1, 2022
Form Factor
EarbudsHeadphones
Connectivity
WiredWired + Wireless

SOUND

Music Score
7/107.5/10
Phone Calls Score
3.1/106.9/10
Gaming Score
6.1/109.1/10
TV and Video Score
7.4/109/10
Exercise Score
4.2/106.4/10

PERFORMANCE

Battery life
N/A59 Hours
Wireless charging
N/ANo
Charging time
N/A2 Hours
Bluetooth version
N/A5.2

FEATURES

Active Noise Cancelling
NoYes
Noise Reduction Score
7/109.1/10
Virtual Surround
NoNo
Android App
N/AYes
iOS App
N/AYes
Mic Quality
N/A8/10

BUILD AND DESIGN

Build Quality
8/109/10
Comfort score
7.6/108.4/10
Size
SmallN/A
Weight (headset or single earbud)
12 Grams294.8 Grams
Microphone style
N/AIntegrated

Shopping

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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."

Sennheiser Momentum 4

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Sound Guys

Christian Thomas | January 2023
"If you're looking for a slightly more affordable set of ANC headphones in comparison to the Bose or Sony offerings: the Sennheiser MOMENTUM 4 Wireless is not a bad way to go. While its ANC is technically behind the other top-tier headphones, its sound quality is ahead of the pack—as is its battery life. Not bad for $350 USD."

Get a great deal on the Sennheiser CX300S or the Sennheiser Momentum 4

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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Why trust us

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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.

By the numbers

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Earbuds and headphones evaluated
11,340
Earbuds and headphones stats compiled
15
Proprietary Earbuds and headphones ratings developed
122,900
Recommendations made
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Consumer hours saved

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.

Jason Lew

Staff Expert & Software Engineer
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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