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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
If you’re looking for earbuds within a budget, the KZ ZSN Pro could be a more economical choice, suitable for good music listening with the option of a detachable cable to fit different audio setups. However, the Sennheiser IE600, while more expensive, offers superior overall sound quality and comfort, making it better suited for extended listening sessions and immersive experiences for music and TV. The IE600 also boasts effective noise isolation, enhancing your listening in noisier environments. Neither are ideal for exercise due to their weight and size, and both have a poor score for calls and meetings, so they are not the best choice for communication-heavy use. 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 KZ ZSN Pro
- The KZ ZSN Pro has no clear advantages over the Sennheiser IE600.
Advantages of the Sennheiser IE600
- Very good for music
- Excellent for TV and video
Key differences
Music
7.7
8.3
The Sennheiser IE600 is very good for music, while the KZ ZSN Pro is good.
Gaming
6.0
6.7
The Sennheiser IE600 and KZ ZSN Pro are both only fair for gaming, though the Sennheiser IE600 is somewhat better.
Podcasts and Audiobooks
4.9
5.4
The Sennheiser IE600 and KZ ZSN Pro are both poor for podcasts and audiobooks, though the Sennheiser IE600 is somewhat better.
TV and Video
7.4
9.3
The Sennheiser IE600 is excellent for TV and video, while the KZ ZSN Pro is good.
Noise Reduction
5.3
7.0
The Sennheiser IE600 is good for noise reduction, while the KZ ZSN Pro is poor.
Cost
$25
$600
$0
$100
$200
$300
$400
The KZ ZSN Pro has a price of $25 and the Sennheiser IE600 costs $600.
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Key similarities
Phone Calls
3.1
3.5
The Sennheiser IE600 and KZ ZSN Pro are both poor for phone calls.
Build Quality
9.0
9.0
The KZ ZSN Pro and Sennheiser IE600 both have excellent build quality.
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How the KZ ZSN Pro and the Sennheiser IE600 compare to other earbuds and headphones
Spec Comparison
 |  | |
| KZ ZSN Pro | Sennheiser IE600 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$25 | $600 | ||
Brand | |||
Brand | KZ | Sennheiser | |
Release Date | |||
Release Date | March 1, 2019 | June 1, 2022 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7.8/10 | 8.3/10 | |
Phone Calls Score | |||
Phone Calls Score | 3.2/10 | 3.5/10 | |
Gaming Score | |||
Gaming Score | 6/10 | 6.8/10 | |
TV and Video Score | |||
TV and Video Score | 7.5/10 | 9.3/10 | |
Exercise Score | |||
Exercise Score | 4.3/10 | 4.6/10 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | No | |
Noise Reduction Score | |||
Noise Reduction Score | 5.3/10 | 7/10 | |
Virtual Surround | |||
Virtual Surround | N/A | No | |
Mic Quality | |||
Mic Quality | N/A | 2.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 9/10 | 9/10 | |
Comfort score | |||
Comfort score | 7.6/10 | 8.4/10 | |
Size | |||
Size | Large | Large | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 7 Grams | 6 Grams | |
Waterproof Rating | |||
Waterproof Rating | 0 | 0 | |
Shopping
KZ ZSN Pro
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Dig into reviews and images
PrimeAudio
David Becker | 2019
"Undoubtedly the focus and the star of the show, the ZSN Pro’s bass is big, bold and bangin’. The amount of gusto in the low end should satisfy anyone who likes a large lick of bass and even certified bassheads will probably get a kick out of this."
Sennheiser IE600
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Dig into reviews and images
Soundguys
Jasper Lastoria | August 2023
"If you've got the bucks, the Sennheiser IE 600 is a nice, upscale set of in-ear monitors made of a lightweight metal with an unusual texture. It comes with a suite of extras, and performs well at virtually every task."
Get a great deal on the KZ ZSN Pro or the Sennheiser IE600
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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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.
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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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