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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
If you prioritize the highest sound quality and appreciate the convenience of wireless earbuds, the Bowers and Wilkins PI7 may suit you, offering a more immersive experience, albeit with a premium price tag. They also come with features like active noise canceling, sweat resistance, and aptX low latency codec which is good for watching videos and gaming. However, if you're looking for good sound at a lower price and don't mind using a wired connection, the Sennheiser CX300S could be a great choice, offering a simple, no-frills listening experience without extra features such as active noise cancelling or wireless charging. 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 Bowers and Wilkins PI7
- Very good for gaming
- Very good for air travel
Advantages of the Sennheiser CX300S
- Good for TV and video
Key differences
Gaming
8.1
6.1
The Bowers and Wilkins PI7 is very good for gaming, while the Sennheiser CX300S is only fair.
Phone Calls
5.1
3.0
The Bowers and Wilkins PI7 and Sennheiser CX300S are both poor for phone calls, though the Bowers and Wilkins PI7 is somewhat better.
Noise Reduction
8.3
7.0
The Bowers and Wilkins PI7 is very good for noise reduction, while the Sennheiser CX300S is good.
Battery
3.0 Hours
N/A
The Bowers and Wilkins PI7 has 3 hours of battery life. The Sennheiser CX300S does not have a battery.
Cost
$399
$50
$0
$100
$200
$300
$400
The Bowers and Wilkins PI7 has a price of $399 and the Sennheiser CX300S costs $50.
Build Quality
8.9
8.0
The Bowers and Wilkins PI7 and Sennheiser CX300S both have very good build quality, though the Bowers and Wilkins PI7 has somewhat better build quality.
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Key similarities
Music
6.8
6.9
The Sennheiser CX300S and Bowers and Wilkins PI7 are both only fair for music.
Podcasts and Audiobooks
4.8
4.7
The Bowers and Wilkins PI7 and Sennheiser CX300S are both poor for podcasts and audiobooks.
TV and Video
6.8
7.3
Although they have very similar scores, PerfectRec considers Sennheiser CX300S to be good for TV and video, while the Bowers and Wilkins PI7 is only fair.
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How the Bowers and Wilkins PI7 and the Sennheiser CX300S compare to other earbuds and headphones
Spec Comparison
 |  | |
| Bowers and Wilkins PI7 | Sennheiser CX300S |
GENERAL | |||
|---|---|---|---|
| Price | |||
$399 | $50 | ||
Brand | |||
Brand | Bowers and Wilkins | Sennheiser | |
Release Date | |||
Release Date | April 1, 2021 | February 1, 2019 | |
Form Factor | |||
Form Factor | Earbuds | Earbuds | |
Connectivity | |||
Connectivity | Wireless | Wired | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 6.9/10 | 7/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.2/10 | 3.1/10 | |
Gaming Score | |||
Gaming Score | 8.2/10 | 6.1/10 | |
TV and Video Score | |||
TV and Video Score | 6.9/10 | 7.4/10 | |
Exercise Score | |||
Exercise Score | 5.8/10 | 4.2/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 3 Hours | N/A | |
Wireless charging | |||
Wireless charging | Yes | N/A | |
Charging time | |||
Charging time | 0.7 Hours | N/A | |
Bluetooth version | |||
Bluetooth version | 5 | N/A | |
Case Battery Life | |||
Case Battery Life | 20 | N/A | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | Yes | No | |
Noise Reduction Score | |||
Noise Reduction Score | 8.4/10 | 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 | 8.9/10 | 8/10 | |
Comfort score | |||
Comfort score | 8/10 | 7.6/10 | |
Size | |||
Size | Large | Small | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 7 Grams | 12 Grams | |
Microphone style | |||
Microphone style | Integrated | N/A | |
Shopping
Bowers and Wilkins PI7
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Dig into reviews and images
Sound Guys
Chase Bernath | April 2022
"The primary selling point of the Bowers & Wilkins PI7 is the charging case that can transmit audio from any analog source to the earbuds. If you have a very specific and clear need for that feature, then the Bowers & Wilkins PI7 is for you."
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 Bowers and Wilkins PI7 or the Sennheiser CX300S
About Bowers and Wilkins
Bowers and Wilkins is a British audio equipment manufacturer with a focus on innovation and product development. It was founded by a couple of real-life James Bonds, the co-founders John Bowers and Roy Wilkins, who met while working for MI6 during World War II. The company keeps being favored by enthusiasts due to their sound quality, craftsmanship and signature aesthetics.
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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