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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
If you prioritize long battery life and great comfort for extended periods, the Sennheiser Momentum 4 would be a better choice, and it's also usually less expensive than the Bowers and Wilkins PI7. The Momentum 4 are headphones that excel with TV and video due to their fuller sound quality and lower latency and are quite effective for noise isolation which is beneficial for air travel. On the other hand, the Bowers and Wilkins PI7 earbuds are more portable, offer superior soundstage, and have integrated wireless charging, but are significantly more expensive and don't perform as well as the Momentum 4 for calls and meetings. 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
- The Bowers and Wilkins PI7 has no clear advantages over the Sennheiser Momentum 4.
Advantages of the Sennheiser Momentum 4
- Good for music
- Excellent for gaming
- Very good for TV and video
- Very good for podcasts and audiobooks
Key differences
Music
6.8
7.5
The Sennheiser Momentum 4 is good for music, while the Bowers and Wilkins PI7 is only fair.
Gaming
8.1
9.0
The Sennheiser Momentum 4 is excellent for gaming, while the Bowers and Wilkins PI7 is very good.
Phone Calls
5.1
6.8
The Sennheiser Momentum 4 is only fair for phone calls, while the Bowers and Wilkins PI7 is poor.
Podcasts and Audiobooks
4.8
8.2
The Sennheiser Momentum 4 is very good for podcasts and audiobooks, while the Bowers and Wilkins PI7 is poor.
TV and Video
6.8
8.9
The Sennheiser Momentum 4 is very good for TV and video, while the Bowers and Wilkins PI7 is only fair.
Noise Reduction
8.3
9.1
The Sennheiser Momentum 4 is excellent for noise reduction, while the Bowers and Wilkins PI7 is very good.
Battery
3.0 Hours
59.0 Hours
The Bowers and Wilkins PI7 has 3 hours of battery life. The Sennheiser Momentum 4 has 59 hours of battery life.
Cost
$399
$250
$100
$150
$200
$250
$300
$350
$400
The Bowers and Wilkins PI7 has a price of $399 and the Sennheiser Momentum 4 costs $250.
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Key similarities
Build Quality
8.9
9.0
Although they have very similar scores, PerfectRec considers Sennheiser Momentum 4 to have excellent build quality, while the Bowers and Wilkins PI7 has very good build quality.
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How the Bowers and Wilkins PI7 and the Sennheiser Momentum 4 compare to other earbuds and headphones
Spec Comparison
 |  | |
| Bowers and Wilkins PI7 | Sennheiser Momentum 4 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$399 | $250 | ||
Brand | |||
Brand | Bowers and Wilkins | Sennheiser | |
Release Date | |||
Release Date | April 1, 2021 | August 1, 2022 | |
Form Factor | |||
Form Factor | Earbuds | Headphones | |
Connectivity | |||
Connectivity | Wireless | Wired + Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 6.9/10 | 7.5/10 | |
Phone Calls Score | |||
Phone Calls Score | 5.2/10 | 6.9/10 | |
Gaming Score | |||
Gaming Score | 8.2/10 | 9.1/10 | |
TV and Video Score | |||
TV and Video Score | 6.9/10 | 9/10 | |
Exercise Score | |||
Exercise Score | 5.8/10 | 6.4/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | 3 Hours | 59 Hours | |
Wireless charging | |||
Wireless charging | Yes | No | |
Charging time | |||
Charging time | 0.7 Hours | 2 Hours | |
Bluetooth version | |||
Bluetooth version | 5 | 5.2 | |
Case Battery Life | |||
Case Battery Life | 20 | N/A | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | Yes | Yes | |
Noise Reduction Score | |||
Noise Reduction Score | 8.4/10 | 9.1/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Android App | |||
Android App | Yes | Yes | |
iOS App | |||
iOS App | Yes | Yes | |
Mic Quality | |||
Mic Quality | 8.5/10 | 8/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.9/10 | 9/10 | |
Comfort score | |||
Comfort score | 8/10 | 8.4/10 | |
Size | |||
Size | Large | N/A | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 7 Grams | 294.8 Grams | |
Microphone style | |||
Microphone style | Integrated | Integrated | |
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 Momentum 4
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Dig into reviews and images
Sound Guys
Christian Thomas | January 2023
"If you're looking for a slightly more affordable set of ANC headphones in comparison to the Bose or Sony offerings: the Sennheiser MOMENTUM 4 Wireless is not a bad way to go. While its ANC is technically behind the other top-tier headphones, its sound quality is ahead of the pack—as is its battery life. Not bad for $350 USD."
Get a great deal on the Bowers and Wilkins PI7 or the Sennheiser Momentum 4
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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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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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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