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·
For an immersive music experience with a wide soundstage, the Koss Porta Pro headphones would be a strong option, particularly if keeping costs lower is important; however, they lack a microphone, are not wireless, and their open-back design means they won't isolate sound well, which can disturb those around you and let in ambient noise. On the other hand, the Razer Hammerhead True Wireless earbuds include a microphone, are truly wireless, offer better portability, and provide sound isolation, making them a versatile choice suitable for gaming, calls, and use during exercise. They also support a low latency mode for gaming, which the Koss lacks, and have app customization features. If these additional features align with your needs and justify the price difference, the Razer Hammerhead might be the preferable option. 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 Razer Hammerhead True Wireless
- Very good for gaming
- Good for exercise
- Very good for air travel
Key differences
Music
8.2
6.6
The Koss Porta Pro is very good for music, while the Razer Hammerhead True Wireless is only fair.
Gaming
6.4
8.6
The Razer Hammerhead True Wireless is very good for gaming, while the Koss Porta Pro is only fair.
Phone Calls
4.3
5.4
The Razer Hammerhead True Wireless and Koss Porta Pro are both poor for phone calls, though the Razer Hammerhead True Wireless is somewhat better.
Podcasts and Audiobooks
6.8
5.6
The Koss Porta Pro is only fair for podcasts and audiobooks, while the Razer Hammerhead True Wireless is poor.
Noise Reduction
2.5
8.1
The Razer Hammerhead True Wireless is very good for noise reduction, while the Koss Porta Pro is poor.
Battery
N/A
5.0 Hours
The Koss Porta Pro does not have a battery. The Razer Hammerhead True Wireless has 5 hours of battery life.
Cost
$49
$100
$0
$50
$100
$150
$200
The Koss Porta Pro has a price of $49 and the Razer Hammerhead True Wireless costs $100.
Build Quality
6.0
8.7
The Razer Hammerhead True Wireless has very good build quality, while the Koss Porta Pro has only fair build quality.
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Key similarities
TV and Video
7.6
7.9
The Razer Hammerhead True Wireless and Koss Porta Pro are both good for TV and video.
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How the Koss Porta Pro and the Razer Hammerhead True Wireless compare to other earbuds and headphones
Spec Comparison
 |  | |
| Koss Porta Pro | Razer Hammerhead True Wireless |
GENERAL | |||
|---|---|---|---|
| Price | |||
$49 | $100 | ||
Brand | |||
Brand | Koss | Razer | |
Release Date | |||
Release Date | January 1, 1984 | August 1, 2021 | |
Form Factor | |||
Form Factor | Headphones | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 8.3/10 | 6.6/10 | |
Phone Calls Score | |||
Phone Calls Score | 4.3/10 | 5.5/10 | |
Gaming Score | |||
Gaming Score | 6.4/10 | 8.7/10 | |
TV and Video Score | |||
TV and Video Score | 7.7/10 | 7.9/10 | |
Exercise Score | |||
Exercise Score | 4.2/10 | 7.3/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | N/A | 5 Hours | |
Wireless charging | |||
Wireless charging | N/A | No | |
Charging time | |||
Charging time | N/A | 1 Hours | |
Bluetooth version | |||
Bluetooth version | N/A | 5.2 | |
Case Battery Life | |||
Case Battery Life | N/A | 36 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | Yes | |
Noise Reduction Score | |||
Noise Reduction Score | 2.5/10 | 8.2/10 | |
Virtual Surround | |||
Virtual Surround | N/A | No | |
Android App | |||
Android App | N/A | Yes | |
iOS App | |||
iOS App | N/A | Yes | |
Mic Quality | |||
Mic Quality | N/A | 8.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 6/10 | 8.7/10 | |
Comfort score | |||
Comfort score | 7/10 | 8.2/10 | |
Size | |||
Size | N/A | Small | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 63.5 Grams | 5 Grams | |
Microphone style | |||
Microphone style | N/A | Integrated | |
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."
Razer Hammerhead True Wireless
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Dig into reviews and images
The Verge
Chris Welch | August 2019
"This latest set is more “Pro” than not in both looks and features: they offer active noise cancellation, a low-latency gaming mode, and have switched to a in-ear design with silicone tips. Just like many of the company’s laptops and gaming accessories, the 2021 Hammerhead True Wireless include Razer’s full Chroma RGB system. It makes for what Razer calls “the ultimate wireless earbud flex.”"
Get a great deal on the Koss Porta Pro or the Razer Hammerhead True Wireless
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 Razer
Razer is an American-Singaporean hardware manufacturer aimed specifically toward the gaming market. They manufacture a very wide array of gaming laptops, tablets, phones, peripherals and, of course, headphones and earbuds both wired and wireless. Since 2016, Razer has owned the THX suite, aimed at quality assurance of audiovisual systems such as speaker sets, video game consoles and even movie theaters.
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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
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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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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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