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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
If you're on a tighter budget and don't mind a wired connection, the Sennheiser CX300S offers good sound and build quality for its price, making them suitable for casual listening and watching videos. However, they have limited features and aren't ideal for exercise or calls. Whereas, the Sennheiser Momentum True Wireless 4, at a higher premium, gives you excellent sound quality, active noise cancelling, and low latency which makes them fantastic for gaming, calls, exercise, and travel. They also have the convenience of wireless charging, customizable touch controls, and a significantly longer battery life with the addition of a charging case. 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 True Wireless 4.
Advantages of the Sennheiser Momentum True Wireless 4
- Good for music
- Good for phone calls
- Excellent for gaming
- Very good for TV and video
- Very good for exercise
- Very good for air travel
- Very good for podcasts and audiobooks
Key differences
Music
6.9
7.5
The Sennheiser Momentum True Wireless 4 is good for music, while the Sennheiser CX300S is only fair.
Gaming
6.1
9.1
The Sennheiser Momentum True Wireless 4 is excellent for gaming, while the Sennheiser CX300S is only fair.
Phone Calls
3.0
7.2
The Sennheiser Momentum True Wireless 4 is good for phone calls, while the Sennheiser CX300S is poor.
Podcasts and Audiobooks
4.7
8.1
The Sennheiser Momentum True Wireless 4 is very good for podcasts and audiobooks, while the Sennheiser CX300S is poor.
TV and Video
7.3
8.0
The Sennheiser Momentum True Wireless 4 is very good for TV and video, while the Sennheiser CX300S is good.
Noise Reduction
7.0
8.3
The Sennheiser Momentum True Wireless 4 is very good for noise reduction, while the Sennheiser CX300S is good.
Battery
N/A
7.5 Hours
The Sennheiser CX300S does not have a battery. The Sennheiser Momentum True Wireless 4 has 7.5 hours of battery life.
Cost
$50
$300
$0
$100
$200
$300
$400
The Sennheiser CX300S has a price of $50 and the Sennheiser Momentum True Wireless 4 costs $300.
Build Quality
8.0
8.9
The Sennheiser Momentum True Wireless 4 and Sennheiser CX300S both have very good build quality, though the Sennheiser Momentum True Wireless 4 has somewhat better build quality.
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How the Sennheiser CX300S and the Sennheiser Momentum True Wireless 4 compare to other earbuds and headphones
Spec Comparison
 |  | |
| Sennheiser CX300S | Sennheiser Momentum True Wireless 4 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$50 | $300 | ||
Brand | |||
Brand | Sennheiser | Sennheiser | |
Release Date | |||
Release Date | February 1, 2019 | March 1, 2024 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7/10 | 7.5/10 | |
Phone Calls Score | |||
Phone Calls Score | 3.1/10 | 7.2/10 | |
Gaming Score | |||
Gaming Score | 6.1/10 | 9.1/10 | |
TV and Video Score | |||
TV and Video Score | 7.4/10 | 8.1/10 | |
Exercise Score | |||
Exercise Score | 4.2/10 | 8.3/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | N/A | 7.5 Hours | |
Wireless charging | |||
Wireless charging | N/A | Yes | |
Charging time | |||
Charging time | N/A | 2 Hours | |
Bluetooth version | |||
Bluetooth version | N/A | 5.4 | |
Case Battery Life | |||
Case Battery Life | N/A | 30 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | Yes | |
Noise Reduction Score | |||
Noise Reduction Score | 7/10 | 8.4/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Android App | |||
Android App | N/A | Yes | |
iOS App | |||
iOS App | N/A | Yes | |
Mic Quality | |||
Mic Quality | N/A | 8.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8/10 | 8.9/10 | |
Comfort score | |||
Comfort score | 7.6/10 | 7.6/10 | |
Size | |||
Size | Small | Medium | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 12 Grams | 5.8 Grams | |
Microphone style | |||
Microphone style | N/A | Integrated | |
Shopping
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 True Wireless 4
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Dig into reviews and images
What HiFi
Andy Madden | January 2024
"It’s fair to say our brief time with the Sennheiser Momentum True Wireless 4 was a generally positive one. Comfort levels seem similar to what we have experienced before and the general flavour of sound was to our liking although we need to get a pair in to test and put up against the big rivals at the money from Bose and Sony. It could be an interesting contest."
Get a great deal on the Sennheiser CX300S or the Sennheiser Momentum True Wireless 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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