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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated April 11, 2024·
For immersive gaming or use during exercise, the Razer Hammerhead True Wireless would be a better choice due to the low latency 'Game mode' and sweatproof certification; they're also wireless for convenience and have a longer battery life which is beneficial for extended use. However, if you prioritize sound quality for music and have a higher budget, the Sennheiser IE600 with its 'Best in Class' sound and dynamic drivers may be the superior option, despite lacking wireless capabilities and low latency. The Sennheiser IE600 is also more durable with a detachable cable, but less suitable for calls given the poorer mic quality. 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 Razer Hammerhead True Wireless
- Very good for gaming
- Good for exercise
- Very good for air travel
Advantages of the Sennheiser IE600
- Very good for music
- Excellent for TV and video
Key differences
Music
6.6
8.3
The Sennheiser IE600 is very good for music, while the Razer Hammerhead True Wireless is only fair.
Gaming
8.6
6.7
The Razer Hammerhead True Wireless is very good for gaming, while the Sennheiser IE600 is only fair.
Phone Calls
5.4
3.5
The Razer Hammerhead True Wireless and Sennheiser IE600 are both poor for phone calls, though the Razer Hammerhead True Wireless is somewhat better.
TV and Video
7.9
9.3
The Sennheiser IE600 is excellent for TV and video, while the Razer Hammerhead True Wireless is good.
Noise Reduction
8.1
7.0
The Razer Hammerhead True Wireless is very good for noise reduction, while the Sennheiser IE600 is good.
Battery
5.0 Hours
N/A
The Razer Hammerhead True Wireless has 5 hours of battery life. The Sennheiser IE600 does not have a battery.
Cost
$100
$600
$50
$100
$150
$200
$250
$300
$350
$400
The Razer Hammerhead True Wireless has a price of $100 and the Sennheiser IE600 costs $600.
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Key similarities
Podcasts and Audiobooks
5.6
5.4
The Razer Hammerhead True Wireless and Sennheiser IE600 are both poor for podcasts and audiobooks.
Build Quality
8.7
9.0
Although they have very similar scores, PerfectRec considers Sennheiser IE600 to have excellent build quality, while the Razer Hammerhead True Wireless has very good build quality.
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How the Razer Hammerhead True Wireless and the Sennheiser IE600 compare to other earbuds and headphones
Spec Comparison
 |  | |
| Razer Hammerhead True Wireless | Sennheiser IE600 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$100 | $600 | ||
Brand | |||
Brand | Razer | Sennheiser | |
Release Date | |||
Release Date | August 1, 2021 | June 1, 2022 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wireless | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 6.6/10 | 8.3/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.5/10 | 3.5/10 | |
Gaming Score | |||
Gaming Score | 8.7/10 | 6.8/10 | |
TV and Video Score | |||
TV and Video Score | 7.9/10 | 9.3/10 | |
Exercise Score | |||
Exercise Score | 7.3/10 | 4.6/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 5 Hours | N/A | |
Wireless charging | |||
Wireless charging | No | N/A | |
Charging time | |||
Charging time | 1 Hours | N/A | |
Bluetooth version | |||
Bluetooth version | 5.2 | N/A | |
Case Battery Life | |||
Case Battery Life | 36 | N/A | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | Yes | No | |
Noise Reduction Score | |||
Noise Reduction Score | 8.2/10 | 7/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Android App | |||
Android App | Yes | N/A | |
iOS App | |||
iOS App | Yes | N/A | |
Mic Quality | |||
Mic Quality | 8.5/10 | 2.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.7/10 | 9/10 | |
Comfort score | |||
Comfort score | 8.2/10 | 8.4/10 | |
Size | |||
Size | Small | Large | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 5 Grams | 6 Grams | |
Microphone style | |||
Microphone style | Integrated | N/A | |
Shopping
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.”"
Sennheiser IE600
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Dig into reviews and images
Soundguys
Jasper Lastoria | August 2023
"If you've got the bucks, the Sennheiser IE 600 is a nice, upscale set of in-ear monitors made of a lightweight metal with an unusual texture. It comes with a suite of extras, and performs well at virtually every task."
Get a great deal on the Razer Hammerhead True Wireless or the Sennheiser IE600
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.
About Sennheiser
A family-owned company, Sennheiser is a German, high fidelity, audio equipment manufacturer founded in 1945. Their consumer audio division is now owned by the Swiss hearing aid and cochlear implant manufacturer Sonova. Sennheiser offers a wide variety of, very high quality, audio equipment solutions, from headphones to earbuds, full sets of monitoring speakers, amplifiers and microphones. They also make what is widely regarded as the best, and most expensive, headphones in existence, the HE-1 Orpheus, costing a whopping $59,000 dollars.
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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
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.
Jason Lew
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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