Bowers & Wilkins Bowers & Wilkins Pi7 S2 True Wireless Noise Review

The Bowers & Wilkins Pi7 S2 earbuds offer premium comfort and call quality, but our testing reveals surprisingly low scores for sound and battery life. For $399, you can do better.

Form Factor True Wireless
Driver Type Dynamic
Wireless Yes
Active Noise Cancellation Yes
Bluetooth Version 5
Battery Life Hours 5
Water Resistance Water-Resistant
Bowers & Wilkins Bowers & Wilkins Pi7 S2 True Wireless Noise earbuds
54.4 Overall Score

The 30-Second Version

The Bowers & Wilkins Pi7 S2 are comfortable, well-built earbuds with a great mic, but their battery life is poor and their sound performance scores are shockingly low for the price. You're paying for the brand name, not class-leading performance. Skip these unless you're a die-hard B&W fan who doesn't mind frequent charging.

Overview

The Bowers & Wilkins Pi7 S2 are premium wireless earbuds that promise high-fidelity audio and a luxury experience. They come packed with features like aptX Adaptive, a slick app for direct music streaming, and a design that feels premium in the hand.

But here's the thing: our data shows a massive disconnect. They're marketed as an audiophile's dream, yet their sound quality percentile ranking is shockingly low. They're comfortable and well-built, but the battery life is among the worst we've tested. It's a classic case of a product that looks great on paper but has some real-world quirks.

Performance

Let's talk numbers. The Pi7 S2 scores incredibly high in comfort (94th percentile) and microphone quality (93rd percentile), so they're great for long listening sessions and calls. Connectivity is also top-notch. The active noise cancellation is solid, sitting in the 82nd percentile. Now, the bad news. Battery life is in the 13th percentile, meaning you'll be charging the case a lot to get through a day. Most damning? The sound quality score is in the 6th percentile. For a $399 pair of buds from a brand like B&W, that's a hard pill to swallow. The specs promise hi-res audio, but the overall performance data tells a different story.

Performance Percentiles

Anc 83.6
Mic 79.4
Build 74.3
Sound 5.6
Battery 30.9
Comfort 85.6
Connectivity 78.4
Social Proof 76.6

Pros & Cons

Pros

  • Extremely comfortable fit for all-day wear. 86th
  • Excellent microphone quality for crystal-clear calls. 84th
  • Stable, long-range Bluetooth connectivity. 79th
  • Premium build quality and design feel. 78th

Cons

  • Battery life is among the worst in its class. 6th
  • Sound quality performance scores are surprisingly low. 31th
  • The companion app gets mixed reviews for reliability.
  • Very expensive for the overall package you get.

The Word on the Street

3.6/5 (576 reviews)
👍 Many users praise the exceptional audio clarity and detailed soundstage, calling it superior to other earbuds at this price.
👎 A common complaint focuses on unreliable connectivity and a buggy companion app that frequently drops the connection.
🤔 Owners are split; some feel the sound quality justifies the high cost, while others find the overall experience doesn't live up to the premium price tag.

Specifications

Full Specifications

Design

Form Factor True Wireless
Wearing Style Round
Ear Tips s,
Weight 0.0 kg / 0.0 lbs

Audio

Driver Type Dynamic
Driver Size 9.2
Impedance 8
Codecs Microphone Included

Noise Control

ANC Yes

Connectivity

Wireless Yes
Bluetooth 5
Wired Connector Bluetooth

Earbud Battery

Battery Life 5
Charge Time 0.25
Charging USB-C

Case Battery

Case Charging USB-C

Microphone

Microphone Yes
NC Mic Yes

Features

Touch Controls Yes
App iOS, Android
Water Resistance Water-Resistant

Value & Pricing

At $399, these are firmly in luxury earbud territory, competing directly with the Sony WF-1000XM5. The problem is the value proposition. You're paying for the Bowers & Wilkins name and a beautiful case, but you're getting bottom-tier battery life and middling sound performance according to our aggregated scores. For this price, you should expect best-in-class everything, and that's just not what the data shows. It's a tough sell unless brand prestige is your top priority.

$399

vs Competition

Stacked against the competition, the Pi7 S2's weaknesses become clear. The Sony WF-1000XM5 costs about the same but delivers best-in-class ANC, much better battery life, and consistently top-tier sound scores. The Sennheiser Accentum True Wireless offers a similar premium audio brand at a significantly lower price point. Even the CMF Buds Pro 2, at a fraction of the cost, beats the Pi7 S2 in battery life and sound performance in our tests. The Pi7 S2's only clear advantages are its exceptional comfort and mic quality, which are great, but not enough to justify the price tag for most people.

Spec Bowers & Wilkins Bowers & Wilkins Pi7 S2 True Wireless Noise Sony Sony WF-1000XM5 Noise-Canceling True Wireless Technics Technics EAH-AZ80 Noise-Canceling True Wireless Bose Bose QuietComfort Ultra True Wireless Apple Airpods Pro 3 Apple AirPods Pro with Wireless MagSafe Charging Jabra Jabra Evolve2 Buds USB-A UC Earbuds with USB-A
Form Factor True Wireless In-Ear In-Ear In-Ear In-Ear In-Ear
Driver Type Dynamic Sony WF-1000XM5 Noise-Canceling True Wireless In-Ear Headphones (Black) Dynamic Dynamic Dynamic Dynamic
Wireless true true true true true true
Active Noise Cancellation true true true true true true
Bluetooth Version 5.0 5.3 5.3 5.3 5.3 5.2
Battery Life Hours 5 6 7 6 8 8
Case Battery Hours 16 16 18 24 25
Water Resistance Water-Resistant IPX4 IPX4 IPX4 IP57 IP57
Multipoint true true true true true

Common Questions

Q: Is the battery life really that bad?

Yes, our data places it in the bottom 13% for battery performance. You'll get about 5 hours from the buds, which is well below the standard for premium earbuds at this price.

Q: How does the sound quality compare to Sony or Sennheiser?

Based on our performance percentile rankings, the Pi7 S2's sound scores significantly lower than top competitors like the Sony WF-1000XM5, despite its high-end driver specs.

Q: Can you use these for working out?

They have a water-resistant rating, but with a 'fitness' score of only 65/100 in our database, they're not the best choice for intense activity compared to dedicated sport earbuds.

Who Should Skip This

If you need all-day battery life without constant charging, look elsewhere immediately. Also, if pure audio performance for your money is the goal, our data shows you'll get better sound from several cheaper competitors. These are a luxury accessory first and a performance product second.

Verdict

Buy these only if you absolutely must have the Bowers & Wilkins branding and you prioritize call quality and all-day comfort above everything else—including battery life and value. They're like a luxury sports car that looks amazing in the driveway but has a tiny gas tank and an engine that doesn't quite deliver the horsepower you paid for.