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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
If you prioritize open sound and comfort for extended listening, consider the Koss Porta Pro, as they offer a very good overall sound and are good for TV and video; however, they have poor noise isolation, making them less ideal for noisy environments. For a budget-friendly choice with very good build quality, the KZ ZSN Pro X could be better, especially if you need a detachable cable and earbuds that are more suitable for exercise. Keep in mind, the KZ ZSN Pro X may not be as comfortable for all ear types due to their larger size. Neither option supports wireless connectivity or have high-quality microphones, so for calls or meetings, you might want further options. 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 Koss Porta Pro
- Very good for music
Advantages of the KZ ZSN Pro X
- Good for air travel
Key differences
Music
8.2
7.0
The Koss Porta Pro is very good for music, while the KZ ZSN Pro X is good.
Phone Calls
4.3
3.1
The Koss Porta Pro and KZ ZSN Pro X are both poor for phone calls, though the Koss Porta Pro is somewhat better.
Podcasts and Audiobooks
6.8
4.7
The Koss Porta Pro is only fair for podcasts and audiobooks, while the KZ ZSN Pro X is poor.
Noise Reduction
2.5
6.0
The KZ ZSN Pro X is only fair for noise reduction, while the Koss Porta Pro is poor.
Cost
$49
$22
$0
$10
$20
$30
$40
$50
The Koss Porta Pro has a price of $49 and the KZ ZSN Pro X costs $22.
Build Quality
6.0
8.5
The KZ ZSN Pro X has very good build quality, while the Koss Porta Pro has only fair build quality.
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Key similarities
Gaming
6.4
5.9
Although they have very similar scores, PerfectRec considers Koss Porta Pro to be only fair for gaming, while the KZ ZSN Pro X is poor.
TV and Video
7.6
7.3
The Koss Porta Pro and KZ ZSN Pro X are both good for TV and video.
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How the Koss Porta Pro and the KZ ZSN Pro X compare to other earbuds and headphones
Spec Comparison
 |  | |
| Koss Porta Pro | KZ ZSN Pro X |
GENERAL | |||
|---|---|---|---|
| Price | |||
$49 | $22 | ||
Brand | |||
Brand | Koss | KZ | |
Release Date | |||
Release Date | January 1, 1984 | June 1, 2020 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 8.3/10 | 7/10 | |
Phone Calls Score | |||
Phone Calls Score | 4.3/10 | 3.1/10 | |
Gaming Score | |||
Gaming Score | 6.4/10 | 6/10 | |
TV and Video Score | |||
TV and Video Score | 7.7/10 | 7.3/10 | |
Exercise Score | |||
Exercise Score | 4.2/10 | 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 | 6/10 | 8.5/10 | |
Comfort score | |||
Comfort score | 7/10 | 7/10 | |
Size | |||
Size | N/A | Large | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 63.5 Grams | 27 Grams | |
Waterproof Rating | |||
Waterproof Rating | 0 | 0 | |
Shopping
Koss Porta Pro
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Dig into reviews and images
Headphones.com
Sebastian Taboada | February 2022
"It’s clear to see why these have been such a popular choice amongst listeners for nearly four decades. It’s a charming pair of headphones that delivers a truly enjoyable listening experience and one that I think punches well above its weight."
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 Koss Porta Pro or the KZ ZSN Pro X
About Koss
Koss is an American headphone manufacturer established in 1953. In 1958, they created the first set of stereophones, that is headphones with stereo sound, and in 1984 they released the world-famous Porta Pro, a set of on-ear headphones that has remained essentially unchanged for more than 30 years and that is still made, sold and loved by many audio enthusiasts around the world today.
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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
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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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