A comparison of specs, key information, reviews, and best pricing from top retailers
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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
If you prioritize sound quality for music and don't mind using wired headphones, the Koss Porta Pro offers a robust audio experience with an open-back design that provides a wider soundstage, although they're less suitable for loud environments due to minimal noise isolation. In contrast, the Moondrop Chu, while also wired, boosts better clarity for calls and gaming due to its high mic quality and suits those who prefer the discreet nature of in-ear buds with closed-backs, providing more noise isolation, which may be preferable for travel or office use. Despite the higher cost, the Koss Porta Pro is a classic choice known for its durability and comfort, but if you're looking for a more modern, portable pair with added noise isolation and superior mic quality for calls and gaming at a lower price point, the Moondrop Chu could be the better fit. 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 Moondrop Chu
- Very good for phone calls
- Very good for gaming
- Good for podcasts and audiobooks
Key differences
Gaming
6.4
8.0
The Moondrop Chu is very good for gaming, while the Koss Porta Pro is only fair.
Phone Calls
4.3
8.8
The Moondrop Chu is very good for phone calls, while the Koss Porta Pro is poor.
Podcasts and Audiobooks
6.8
7.6
The Moondrop Chu is good for podcasts and audiobooks, while the Koss Porta Pro is only fair.
Noise Reduction
2.5
6.0
The Moondrop Chu is only fair for noise reduction, while the Koss Porta Pro is poor.
Cost
$49
$21
$0
$10
$20
$30
$40
$50
The Koss Porta Pro has a price of $49 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 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 to be very good for music, while the Moondrop Chu is good.
TV and Video
7.6
7.5
The Koss Porta Pro and Moondrop Chu are both good for TV and video.
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How the Koss Porta Pro and the Moondrop Chu compare to other earbuds and headphones
Spec Comparison
 |  | |
| Koss Porta Pro | Moondrop Chu |
GENERAL | |||
|---|---|---|---|
| Price | |||
$49 | $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 | 4.3/10 | 8.9/10 | |
Gaming Score | |||
Gaming Score | 6.4/10 | 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 | N/A | 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 | N/A | In-Line | |
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."
Moondrop Chu
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Dig into reviews and images
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 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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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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