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The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
If you're considering the Razer Hammerhead True Wireless versus the Sennheiser CX300S, here are some key tradeoffs to consider. Razer Hammerhead earbuds offer a truly wireless experience which gives you freedom from cables, and they often come with gaming-friendly features such as low latency modes for better sync during gaming or video watching. However, they may be somewhat more expensive. On the other hand, the Sennheiser CX300S earbuds are wired, which can provide a more stable connection and potentially better sound quality for the price, as well as not requiring battery charging, but they lack the convenience of being wire-free. Consider whether the convenience of wireless and gaming features outweigh the price difference and the potential audio benefits of a wired connection. 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 CX300S
- The Sennheiser CX300S has no clear advantages over the Razer Hammerhead True Wireless.
Key differences
Gaming
8.6
6.1
The Razer Hammerhead True Wireless is very good for gaming, while the Sennheiser CX300S is only fair.
Phone Calls
5.4
3.0
The Razer Hammerhead True Wireless and Sennheiser CX300S are both poor for phone calls, though the Razer Hammerhead True Wireless is somewhat better.
Podcasts and Audiobooks
5.6
4.7
The Razer Hammerhead True Wireless and Sennheiser CX300S are both poor for podcasts and audiobooks, though the Razer Hammerhead True Wireless is somewhat better.
TV and Video
7.9
7.3
The Razer Hammerhead True Wireless and Sennheiser CX300S are both good for TV and video, though the Razer Hammerhead True Wireless is somewhat better.
Noise Reduction
8.1
7.0
The Razer Hammerhead True Wireless is very good for noise reduction, while the Sennheiser CX300S is good.
Battery
5.0 Hours
N/A
The Razer Hammerhead True Wireless has 5 hours of battery life. The Sennheiser CX300S does not have a battery.
Cost
$100
$50
$0
$50
$100
$150
$200
The Razer Hammerhead True Wireless has a price of $100 and the Sennheiser CX300S costs $50.
Build Quality
8.7
8.0
The Razer Hammerhead True Wireless and Sennheiser CX300S both have very good build quality, though the Razer Hammerhead True Wireless has somewhat better build quality.
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Key similarities
Music
6.6
6.9
The Sennheiser CX300S and Razer Hammerhead True Wireless are both only fair for music.
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How the Razer Hammerhead True Wireless and the Sennheiser CX300S compare to other earbuds and headphones
Spec Comparison
 |  | |
| Razer Hammerhead True Wireless | Sennheiser CX300S |
GENERAL | |||
|---|---|---|---|
| Price | |||
$100 | $50 | ||
Brand | |||
Brand | Razer | Sennheiser | |
Release Date | |||
Release Date | August 1, 2021 | February 1, 2019 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wireless | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 6.6/10 | 7/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.5/10 | 3.1/10 | |
Gaming Score | |||
Gaming Score | 8.7/10 | 6.1/10 | |
TV and Video Score | |||
TV and Video Score | 7.9/10 | 7.4/10 | |
Exercise Score | |||
Exercise Score | 7.3/10 | 4.2/10 | |
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 | N/A | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.7/10 | 8/10 | |
Comfort score | |||
Comfort score | 8.2/10 | 7.6/10 | |
Size | |||
Size | Small | Small | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 5 Grams | 12 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 CX300S
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Dig into reviews and images
Major HiFi
Carroll Moore | April 2019
"Sennheiser offers impressive bang for your buck when it comes to the CX 300S. Built like a tank and sounding surprisingly good for such a budget-minded earphone, the CX 300S out-classes many of its would-be competitors. Functional but beautiful, it’s the perfect in-ear listening solution for anyone who wants to hear everything and look good doing it."
Get a great deal on the Razer Hammerhead True Wireless or the Sennheiser CX300S
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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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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