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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
If sound quality for music is a priority, the Moondrop Blessing 3 offers excellent audio with a balanced capability, but at a premium price; they also have a detachable cable and you can use different cables for better audio. However, they're larger earbuds and not suited for exercise or casual use due to their size and lack of features like sweatproof certification. On the other hand, the Sennheiser CX300S are more affordable, more portable, and offer good sound for TV and video. They're smaller and more comfortable for everyday use, but lack high-end sound features and their cable is not detachable. 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 Moondrop Blessing 3
- Good for music
- Very good for TV and video
- Good for podcasts and audiobooks
Advantages of the Sennheiser CX300S
- Good for air travel
Key differences
Music
7.6
6.9
The Moondrop Blessing 3 is good for music, while the Sennheiser CX300S is only fair.
Phone Calls
5.0
3.0
The Moondrop Blessing 3 and Sennheiser CX300S are both poor for phone calls, though the Moondrop Blessing 3 is somewhat better.
Podcasts and Audiobooks
7.8
4.7
The Moondrop Blessing 3 is good for podcasts and audiobooks, while the Sennheiser CX300S is poor.
TV and Video
8.0
7.3
The Moondrop Blessing 3 is very good for TV and video, while the Sennheiser CX300S is good.
Cost
$320
$50
$0
$100
$200
$300
$400
The Moondrop Blessing 3 has a price of $320 and the Sennheiser CX300S costs $50.
Build Quality
9.0
8.0
The Moondrop Blessing 3 has excellent build quality, while the Sennheiser CX300S has very good build quality.
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Key similarities
Gaming
6.3
6.1
The Moondrop Blessing 3 and Sennheiser CX300S are both only fair for gaming.
Noise Reduction
6.5
7.0
Although they have very similar scores, PerfectRec considers Sennheiser CX300S to be good for noise reduction, while the Moondrop Blessing 3 is only fair.
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How the Moondrop Blessing 3 and the Sennheiser CX300S compare to other earbuds and headphones
Spec Comparison
 |  | |
| Moondrop Blessing 3 | Sennheiser CX300S |
GENERAL | |||
|---|---|---|---|
| Price | |||
$320 | $50 | ||
Brand | |||
Brand | Moondrop | Sennheiser | |
Release Date | |||
Release Date | April 1, 2023 | February 1, 2019 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7.7/10 | 7/10 | |
Phone Calls Score | |||
Phone Calls Score | 5/10 | 3.1/10 | |
Gaming Score | |||
Gaming Score | 6.4/10 | 6.1/10 | |
TV and Video Score | |||
TV and Video Score | 8.1/10 | 7.4/10 | |
Exercise Score | |||
Exercise Score | 4.5/10 | 4.2/10 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | No | |
Noise Reduction Score | |||
Noise Reduction Score | 6.5/10 | 7/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Mic Quality | |||
Mic Quality | 2.5/10 | N/A | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 9/10 | 8/10 | |
Comfort score | |||
Comfort score | 7.6/10 | 7.6/10 | |
Size | |||
Size | Large | Small | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 18.1 Grams | 12 Grams | |
Waterproof Rating | |||
Waterproof Rating | 0 | 0 | |
Shopping
Moondrop Blessing 3
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Dig into reviews and images
Headfonics
Meldrick | June 2023
"The Moondrop Blessing 3 has excellent imaging performance, especially for the price. Pair that with its neutral tonality with slight elevations towards both ends of the frequency response, and the Blessing 3 technically proficient set of IEMs that are also enjoyable to listen to every day."
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 Moondrop Blessing 3 or the Sennheiser CX300S
About Moondrop
Moondrop is a Chinese brand of smart audio equipment, portable audio players, earbuds and headphones started in 2015. During the last few years they have become one of the major players in what is lovingly referred to as the Chi-fi market, the bulk of Chinese companies that have managed to actually compete with the western manufacturers in both prices and superior quality. Products such as the Blessing II, Chu and Kato are among the most popular offerings of the brand, more popular among those users that wish for good quality audio that won't break the bank. Besides audio, the brand also works in what they call the ACGN field (Animation, Comics, Games and Short Novels).
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
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.
Jason Lew
Staff Expert & Software Engineer
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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.
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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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