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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
If sound quality is crucial for you, the Moondrop Chu might be a better choice as they generally perform well in this area. However, consider that the Koss Porta Pro offers a different fit being on-ear headphones and has that classic design many still prefer. For calls and meetings, the Moondrop Chu has a higher mic quality, which could enhance communication clarity. Keep in mind that the Koss Porta Pro's open design provides a larger soundstage, which some prefer for a more immersive listening experience, but they provide less noise isolation than the closed design of the Moondrop Chu, meaning they might not be the best choice in noisy environments. While the Porta Pro is foldable and might be easier to carry around, the Chu's better noise isolation makes it more suitable for situations where ambient noise is a concern. Lastly, consider the price difference and if the features of the Koss justify the higher cost for you. 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 (with mic)
- Very good for music
Advantages of the Moondrop Chu
- Very good for phone calls
- Good for podcasts and audiobooks
Key differences
Phone Calls
6.1
8.8
The Moondrop Chu is very good for phone calls, while the Koss Porta Pro (with mic) is only fair.
Podcasts and Audiobooks
6.8
7.6
The Moondrop Chu is good for podcasts and audiobooks, while the Koss Porta Pro (with mic) is only fair.
Noise Reduction
2.5
6.0
The Moondrop Chu is only fair for noise reduction, while the Koss Porta Pro (with mic) is poor.
Cost
$60
$21
$0
$20
$40
$60
$80
$100
The Koss Porta Pro (with mic) has a price of $60 and the Moondrop Chu costs $21.
Build Quality
6.0
8.5
The Moondrop Chu has very good build quality, while the Koss Porta Pro (with mic) has only fair build quality.
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Key similarities
Music
8.2
7.9
Although they have very similar scores, PerfectRec considers Koss Porta Pro (with mic) to be very good for music, while the Moondrop Chu is good.
Gaming
8.2
8.0
The Koss Porta Pro (with mic) and Moondrop Chu are both very good for gaming.
TV and Video
7.6
7.5
The Koss Porta Pro (with mic) and Moondrop Chu are both good for TV and video.
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How the Koss Porta Pro (with mic) and the Moondrop Chu compare to other earbuds and headphones
Spec Comparison
 |  | |
| Koss Porta Pro (with mic) | Moondrop Chu |
GENERAL | |||
|---|---|---|---|
| Price | |||
$60 | $21 | ||
Brand | |||
Brand | Koss | Moondrop | |
Release Date | |||
Release Date | January 1, 1984 | April 1, 2022 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 8.3/10 | 8/10 | |
Phone Calls Score | |||
Phone Calls Score | 6.2/10 | 8.9/10 | |
Gaming Score | |||
Gaming Score | 8.2/10 | 8.1/10 | |
TV and Video Score | |||
TV and Video Score | 7.7/10 | 7.6/10 | |
Exercise Score | |||
Exercise Score | 4.2/10 | 4.4/10 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | No | |
Noise Reduction Score | |||
Noise Reduction Score | 2.5/10 | 6/10 | |
Mic Quality | |||
Mic Quality | 6.5/10 | 8.5/10 | |
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 | 8 Grams | |
Microphone style | |||
Microphone style | In-Line | In-Line | |
Shopping
Koss Porta Pro (with mic)
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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."
Moondrop Chu
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Sound Guys
Jasper Lastoria | September 2022
"These budget buds put the pressure on those premium priced in-ear monitors to really justify the cost disparity. Offering excellent sound quality at any price, the Moondrop Chu is both a perfect entry into the audio enthusiast hobby, and an all around good pick for music fans."
Get a great deal on the Koss Porta Pro (with mic) or the Moondrop Chu
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.
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).
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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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Staff Expert & Software Engineer
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.
Luis Torres
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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