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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 10, 2024·
If you prioritize sound quality in music and want a wide soundstage for a more immersive experience, consider the HifiMan Sundara. However, their open-back design and lack of noise isolation make them less ideal for noisy environments and traveling. They're also bulkier and need an amplifier for best results. The KZ ZSN Pro X is more budget-friendly and portable with a closed-back design, better for everyday use, exercise, and travel. Both require an additional purchase for balanced audio, but neither supports wireless use or has active noise cancelling. Neither is particularly suited for calls or gaming due to their poor microphone quality. 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 HifiMan Sundara
- Excellent for music
- Good for gaming
- Very good for TV and video
- Good for podcasts and audiobooks
Advantages of the KZ ZSN Pro X
- Good for air travel
Key differences
Music
9.3
7.0
The HifiMan Sundara is excellent for music, while the KZ ZSN Pro X is good.
Gaming
7.2
5.9
The HifiMan Sundara is good for gaming, while the KZ ZSN Pro X is poor.
Phone Calls
4.9
3.1
The HifiMan Sundara and KZ ZSN Pro X are both poor for phone calls, though the HifiMan Sundara is somewhat better.
Podcasts and Audiobooks
7.8
4.7
The HifiMan Sundara is good for podcasts and audiobooks, while the KZ ZSN Pro X is poor.
TV and Video
8.8
7.3
The HifiMan Sundara is very good for TV and video, while the KZ ZSN Pro X is good.
Noise Reduction
2.5
6.0
The KZ ZSN Pro X is only fair for noise reduction, while the HifiMan Sundara is poor.
Cost
$279
$24
$0
$100
$200
$300
$400
The HifiMan Sundara has a price of $279 and the KZ ZSN Pro X costs $24.
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Key similarities
Build Quality
8.2
8.5
The KZ ZSN Pro X and HifiMan Sundara both have very good build quality.
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How the HifiMan Sundara and the KZ ZSN Pro X compare to other earbuds and headphones
Spec Comparison
 |  | |
| HifiMan Sundara | KZ ZSN Pro X |
GENERAL | |||
|---|---|---|---|
| Price | |||
$279 | $24 | ||
Brand | |||
Brand | HifiMan | KZ | |
Release Date | |||
Release Date | May 1, 2020 | June 1, 2020 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 9.3/10 | 7/10 | |
Phone Calls Score | |||
Phone Calls Score | 5/10 | 3.1/10 | |
Gaming Score | |||
Gaming Score | 7.2/10 | 6/10 | |
TV and Video Score | |||
TV and Video Score | 8.8/10 | 7.3/10 | |
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 | 2.5/10 | 6/10 | |
Virtual Surround | |||
Virtual Surround | N/A | No | |
Mic Quality | |||
Mic Quality | N/A | 2.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.2/10 | 8.5/10 | |
Comfort score | |||
Comfort score | 8.4/10 | 7/10 | |
Size | |||
Size | N/A | Large | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 394.6 Grams | 27 Grams | |
Waterproof Rating | |||
Waterproof Rating | 0 | 0 | |
Shopping
HifiMan Sundara
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Dig into reviews and images
Sound Guys
Christian Thomas | July 2023
"The HiFiMan Sundara is the set of headphones to get if you want high-end audio, but don't want to shell out a king's ransom for it. These planar magnetic headphones are comfortable, straightforward, and excellent performers."
KZ ZSN Pro X
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Dig into reviews and images
Soundguys
Jasper Lastoria | April 2023
"The KZ ZSN PRO X offers superb sound for very little money, like under $30 USD. It has some rough edges with a plastic seam on the cable that can rub on your ear, and the bud is a bit large. The tech isn't cutting edge, but new doesn't always equal better. You should try it."
Get a great deal on the HifiMan Sundara or the KZ ZSN Pro X
About HifiMan
HiFiMAN is a Chinese, high-end, audio product manufacturer, with 20 years of experience, that specializes in amplifiers, digital audio players and planar magnetic headphones, some of which have become a staple in the audiophile community such as the entry-level Sundara, the midrange Edition X, and the very well-regarded, high-end, Arya.
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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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