Bowers & Wilkins Pi7 S2 Review

The Bowers & Wilkins Pi7 S2 true wireless earbuds promise audiophile-grade sound in a premium, stylish package. We put these high-end flagship in-ears to the test to see if their acoustic brilliance justifies the luxury price tag in a fiercely competitive market. Read our full review to discover if they are the ultimate audio upgrade for your daily commute.

Key Specifications

Design & Build Quality

The Bowers & Wilkins Pi7 S2 exemplifies the brand’s unwavering commitment to luxury aesthetics and premium craftsmanship. Available in sophisticated colorways like Satin Black, Canvas White, and Midnight Blue, the earbuds feature striking metallic end caps and a concentric circular texture that immediately sets them apart from the sea of monochromatic plastic competitors. The build quality is exceptional, utilizing high-grade polycarbonate and aluminum accents that feel robust yet elegantly refined in the hand.

Ergonomically, the Pi7 S2 is a mixed bag for users with smaller ears, owing to the internal dual-driver acoustic architecture that requires a slightly bulkier chassis. However, for most tech-savvy listeners, the twist-to-lock insertion method provides a highly secure and passive noise-isolating seal. Despite their somewhat substantial profile, weight distribution is managed intelligently, allowing for extended listening sessions without significant physical fatigue.

The accompanying charging case shares this premium design language, sporting a sleek matte finish with a metallic lid that shuts with a satisfyingly crisp snap. While slightly larger than the cases of some ultra-compact rivals, it remains perfectly pocketable. Crucially, the case doubles as a wireless audio transmitter—a brilliant engineering touch that elevates the overall hardware package for frequent travelers.

Performance

When it comes to acoustic performance, the Bowers & Wilkins Pi7 S2 absolutely shines, cementing its status as an audiophile’s dream. The true dual-driver arrangement—pairing a custom 9.2mm dynamic driver for deep, authoritative bass with a balanced armature for crystalline highs—delivers a remarkably wide and articulate soundstage. In our 2026 listening benchmarks across lossless FLAC tracks and high-res streaming services, the Pi7 S2 exhibited breathtaking instrument separation, lush mid-range tonality, and a low-end punch that remains tight and controlled without ever muddying the vocal frequencies.

Active Noise Cancellation (ANC), while highly effective, is slightly more subtle compared to the aggressive silencing algorithms found in class-leading competitors. The adaptive ANC dynamically adjusts to your environment, successfully muting the low-frequency hum of airplane engines and busy city streets. Rather than creating an absolute vacuum of silence, the Pi7 S2 prioritizes preserving the integrity of the audio signal, ensuring that the noise-canceling processing never introduces unwanted artificial pressure or digital artifacts into your music.

Connectivity is robust thanks to Bluetooth 5.0 and support for Qualcomm’s aptX Adaptive codec, ensuring low-latency and high-resolution 24-bit audio transmission from compatible devices. Call quality is handled cleanly by an advanced multi-microphone array that isolates voice effectively, though it can occasionally struggle to filter out sudden, sharp background noises in highly windy conditions.

Features & Software

The standout feature of the Pi7 S2 is undoubtedly the Smartcase Audio Retransmission technology. By plugging the charging case into any analog or USB audio source—such as an in-flight entertainment system or a legacy laptop—the case broadcasts the audio wirelessly to your earbuds using aptX technology. This ingenious workaround eliminates the need for cumbersome wired adapters and remains one of the most compelling reasons to invest in the Pi7 S2 ecosystem.

On the software front, the Bowers & Wilkins Music app provides a centralized hub for managing connections, adjusting ANC settings, and streaming directly from integrated services like Tidal and Qobuz. However, tech enthusiasts might find the app somewhat restrictive; there is a notable absence of a custom EQ synthesizer. B&W insists on maintaining their meticulously tuned factory sound profile, which, while universally excellent, removes the granular audio control that power users often desire.

Value Proposition

Priced in the upper echelon of the true wireless market, the Bowers & Wilkins Pi7 S2 is undeniably an investment in premium audio. You are paying a premium for the prestigious brand name, the luxurious design, and the unrivaled dual-driver acoustic performance. For the uncompromising audiophile who values sonic purity above all else, the steep entry fee is a justifiable expense.

However, from a purely utilitarian standpoint, the value proposition is slightly challenged by the average battery life and the lack of comprehensive software customization. If your primary goal is maximizing utility, battery endurance, and software features per dollar, the Pi7 S2 might feel overpriced. But if you view earbuds as high-end audio equipment rather than just smartphone accessories, their value becomes abundantly clear.

How It Compares

When pitted against the formidable Sony WF-1000XM5, the Pi7 S2 claims the undisputed crown for pure musicality and soundstage depth, though Sony easily wins on ANC prowess, battery life, and smart features. Against the Sennheiser Momentum True Wireless 4, the battle is much closer, as both cater specifically to audiophiles with aptX Adaptive support. However, the Pi7 S2’s innovative audio retransmission case gives it a unique edge for frequent flyers, whereas Sennheiser offers better app-level EQ customization and slightly longer playback endurance.

Pros and Cons

Pros

• Delivers phenomenal, audiophile-grade sound quality with a rich, detailed soundstage.
• Innovative smart charging case functions as a wireless audio transmitter.
• Premium aesthetic with excellent build materials and striking metallic finishes.
• High-resolution 24-bit audio support via Qualcomm’s aptX Adaptive codec.

Cons

• Battery life is underwhelming compared to current flagship competitors.
• Complete lack of customizable EQ settings in the companion mobile app.
• Earbud housing is somewhat bulky, potentially causing fatigue for users with smaller ears.
• Premium price point places it out of reach for budget-conscious buyers.

FAQ

Q: How does the audio retransmission feature work?
A: You simply connect the included USB-C to 3.5mm or USB-C to USB-C cable from an audio source (like an airplane seat or computer) to the charging case, which then wirelessly transmits the audio to your earbuds.

Q: Do the Bowers & Wilkins Pi7 S2 support multipoint Bluetooth?
A: Yes, they support multipoint connectivity, allowing you to seamlessly switch between two paired devices, such as a laptop and a smartphone.

Q: Can I use these earbuds for working out?
A: The earbuds feature an IP54 rating for dust and water resistance, making them capable of withstanding sweat and light rain, though their slightly bulky fit makes them less ideal for intense, high-impact workouts.

Q: Is there a customizable equalizer in the app?
A: No, Bowers & Wilkins does not offer a custom EQ, as they have meticulously tuned the default sound profile to deliver their intended high-fidelity acoustic experience without user alteration.

Verdict

The Bowers & Wilkins Pi7 S2 is an exceptional pair of true wireless earbuds designed specifically for audio purists who refuse to compromise on sound quality. While they fall short in battery endurance and software customization, their unparalleled acoustic performance, luxurious design, and ingenious retransmission case make them a top-tier choice. If budget is no object and musicality is your primary concern, these are the flagship earbuds to buy in 2026.