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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
Let's consider your preferences. If budget is a primary concern and you need a microphone for calls, the KZ ZSN Pro is a cost-effective choice. However, if you are looking for wireless freedom and ease of use, particularly for activities like working out or if you simply prefer not to deal with cable management, the Razer Hammerhead True Wireless could be the better option. Keep in mind that the tradeoff with true wireless earbuds like the Hammerhead is typically a higher price and the need to charge them more frequently, but they offer greater convenience and mobility. If you are an avid gamer, the Hammerhead may provide lower latency, which is preferable for gaming and watching videos, whereas the KZ ZSN Pro with a wired connection could have higher latency which can be less ideal for such activities. 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 KZ ZSN Pro (with Mic)
- Good for music
Advantages of the Razer Hammerhead True Wireless
- Good for exercise
- Very good for air travel
Key differences
Music
7.7
6.6
The KZ ZSN Pro (with Mic) is good for music, while the Razer Hammerhead True Wireless is only fair.
Gaming
8.0
8.6
The Razer Hammerhead True Wireless and KZ ZSN Pro (with Mic) are both very good for gaming, though the Razer Hammerhead True Wireless is somewhat better.
Podcasts and Audiobooks
4.9
5.6
The Razer Hammerhead True Wireless and KZ ZSN Pro (with Mic) are both poor for podcasts and audiobooks, though the Razer Hammerhead True Wireless is somewhat better.
Noise Reduction
5.3
8.1
The Razer Hammerhead True Wireless is very good for noise reduction, while the KZ ZSN Pro (with Mic) is poor.
Battery
N/A
5.0 Hours
The KZ ZSN Pro (with Mic) does not have a battery. The Razer Hammerhead True Wireless has 5 hours of battery life.
Cost
$24
$100
$0
$50
$100
$150
$200
The KZ ZSN Pro (with Mic) has a price of $24 and the Razer Hammerhead True Wireless costs $100.
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Key similarities
Phone Calls
5.1
5.4
The Razer Hammerhead True Wireless and KZ ZSN Pro (with Mic) are both poor for phone calls.
TV and Video
7.4
7.9
The Razer Hammerhead True Wireless and KZ ZSN Pro (with Mic) are both good for TV and video.
Build Quality
9.0
8.7
Although they have very similar scores, PerfectRec considers KZ ZSN Pro (with Mic) to have excellent build quality, while the Razer Hammerhead True Wireless has very good build quality.
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How the KZ ZSN Pro (with Mic) and the Razer Hammerhead True Wireless compare to other earbuds and headphones
Spec Comparison
 |  | |
| KZ ZSN Pro (with Mic) | Razer Hammerhead True Wireless |
GENERAL | |||
|---|---|---|---|
| Price | |||
$24 | $100 | ||
Brand | |||
Brand | KZ | Razer | |
Release Date | |||
Release Date | March 1, 2019 | August 1, 2021 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7.8/10 | 6.6/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.1/10 | 5.5/10 | |
Gaming Score | |||
Gaming Score | 8/10 | 8.7/10 | |
TV and Video Score | |||
TV and Video Score | 7.5/10 | 7.9/10 | |
Exercise Score | |||
Exercise Score | 4.3/10 | 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 | 5.3/10 | 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 | 7/10 | 8.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 9/10 | 8.7/10 | |
Comfort score | |||
Comfort score | 7.6/10 | 8.2/10 | |
Size | |||
Size | Large | Small | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 7 Grams | 5 Grams | |
Microphone style | |||
Microphone style | In-Line | Integrated | |
Shopping
KZ ZSN Pro (with Mic)
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Dig into reviews and images
PrimeAudio
David Becker | 2019
"Undoubtedly the focus and the star of the show, the ZSN Pro’s bass is big, bold and bangin’. The amount of gusto in the low end should satisfy anyone who likes a large lick of bass and even certified bassheads will probably get a kick out of this."
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 KZ ZSN Pro (with Mic) or the Razer Hammerhead True Wireless
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
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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