Headphones / Bowers & Wilkins Px7 S3 vs Sonos Ace
Bowers & Wilkins Px7 S3 vs Sonos Ace
Bowers & Wilkins Px7 S3
The best-sounding headphone here, with replaceable pads to make it last.
Wins overall by 0.0 points
Quick Verdict
This is close. The Bowers & Wilkins Px7 S3 edges ahead by 0.0 points, but that margin is inside the noise — the Sonos Ace is a defensible pick on its own terms. The best-built headphone here — but despite the name, it has no Wi-Fi.
The Bowers & Wilkins Px7 S3 and Sonos Ace are both closely matched headphones models, and the Sonos Ace is $80 cheaper than the Bowers & Wilkins Px7 S3 ($399 vs $479). On Sound Quality, the Bowers & Wilkins Px7 S3 leads (9.5 vs 8.5/10) — driver performance, tuning, and detail. On Gaming, the Sonos Ace leads (7.5 vs 7.0/10) — latency, low-lag mode support, and soundstage. On Durability, the Sonos Ace leads (9.0 vs 8.5/10) — build materials, hinge quality, and reported longevity. Overall, the Bowers & Wilkins Px7 S3 scores 7.8/10 across our 10 scoring categories versus 7.8/10 for the Sonos Ace, though the gap is close enough that your specific use case should decide it. Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | Bowers & Wilkins Px7 S3 | Sonos Ace |
|---|---|---|
| Price | $479.00 | $399.00 |
| Release Year | 2025 | 2024 |
| Battery Life (hrs) | 30 | 30 |
| Battery (ANC off) (hrs) | Bowers & Wilkins quotes only the 30-hour figure | Sonos publishes only the 30-hour ANC-on figure |
| Quick Charge (min for 3hrs) | 6.4 | 3✓ |
| Bluetooth Version | 5.3 | 5.4 |
| Weight (g) | 300✓ | 312 |
| Driver Size (mm) | 40 | 40 |
| Active Noise Cancelling | Advanced adaptive ANC using 8 microphones, with a Pass-Through mode | Adaptive ANC using an 8-microphone array; on/off only, with no user-adjustable intensity |
| Multipoint Pairing | Yes | Yes |
| Microphones (mics) | 8 | 8 |
| Foldable | No | No |
| Water Resistance | None | None |
| App EQ | Yes | Bass, treble, balance and loudness controls only — not a graphic or parametric EQ |
| Warranty | 12 months | 12 months |
| Colors | Anthracite Black, Indigo Blue, Canvas White | Black, Soft White |
Category Scores
Battery
The Bowers & Wilkins Px7 S3 and Sonos Ace are level here, at 8.0/10 each. playtime, standby, and charging speed is not what separates these two — look to the categories where the scores diverge.
Noise Cancelling
The Bowers & Wilkins Px7 S3 and Sonos Ace are level here, at 8.0/10 each. how well ambient noise is blocked is not what separates these two — look to the categories where the scores diverge.
Comfort
The Bowers & Wilkins Px7 S3 is marginally ahead, 7.8 to 7.5. A gap this small rarely decides a purchase on its own, though it counts if clamp force, padding, and weight for long sessions is your priority.
Sound Quality
The Bowers & Wilkins Px7 S3 leads clearly here, 9.5 against 8.5 — a 1.0-point margin on driver performance, tuning, and detail. If that is what you are buying for, the Sonos Ace does not close the gap elsewhere.
Call & Mic Quality
The Bowers & Wilkins Px7 S3 and Sonos Ace are level here, at 7.5/10 each. voice clarity and background noise rejection on calls is not what separates these two — look to the categories where the scores diverge.
Travel
The Bowers & Wilkins Px7 S3 and Sonos Ace are level here, at 7.0/10 each. foldability, case, ANC on planes, battery for long trips is not what separates these two — look to the categories where the scores diverge.
Gaming
The Sonos Ace leads clearly here, 7.5 against 7.0 — a 0.5-point margin on latency, low-lag mode support, and soundstage. If that is what you are buying for, the Bowers & Wilkins Px7 S3 does not close the gap elsewhere.
Value
The Bowers & Wilkins Px7 S3 and Sonos Ace are level here, at 7.0/10 each. features and performance relative to price is not what separates these two — look to the categories where the scores diverge.
Durability
The Sonos Ace leads clearly here, 9.0 against 8.5 — a 0.5-point margin on build materials, hinge quality, and reported longevity. If that is what you are buying for, the Bowers & Wilkins Px7 S3 does not close the gap elsewhere.
Features
The Bowers & Wilkins Px7 S3 and Sonos Ace are level here, at 7.5/10 each. app ecosystem, multipoint, spatial audio, extras is not what separates these two — look to the categories where the scores diverge.
Best For
Choose the Bowers & Wilkins Px7 S3 if…
- • Sound Quality matters most to you — the Bowers & Wilkins Px7 S3 scores 9.5/10 here (driver performance, tuning, and detail).
- • Comfort matters most to you — the Bowers & Wilkins Px7 S3 scores 7.8/10 here (clamp force, padding, and weight for long sessions).
Choose the Sonos Ace if…
- • Gaming matters most to you — the Sonos Ace scores 7.5/10 here (latency, low-lag mode support, and soundstage).
- • Durability matters most to you — the Sonos Ace scores 9.0/10 here (build materials, hinge quality, and reported longevity).
- • You want to spend less — it's $80 cheaper.
- • Your main use case is commute.
Pros & Cons
Bowers & Wilkins Px7 S3
Pros
- +The best pure sound quality of any headphone here
- +aptX Lossless with a dedicated discrete amplifier
- +Earpads and headband padding are user-replaceable, which extends its life considerably
- +Both 3.5mm analog and USB-C digital wired listening
Cons
- −Does not fold, so the case is bulky
- −300g and you notice it
- −ANC is good but clearly behind Bose and Sony
- −The most expensive non-Apple option here
- −No LDAC
Sonos Ace
Pros
- +Best build quality here — aluminium and stainless steel, and it feels it
- +aptX Lossless plus USB-C lossless
- +TV Audio Swap with a Sonos soundbar is genuinely useful
- +List price has been cut from $449 to $399
Cons
- −No Wi-Fi — despite the Sonos name it cannot join a Sonos system or stream from the Sonos app, which surprises most buyers
- −TV Audio Swap requires you to already own a Sonos Arc
- −Heaviest non-Apple option at 312g
- −Only a four-slider EQ
- −Does not fold in for packing
Shop by Need
FAQs
Is the Bowers & Wilkins Px7 S3 or Sonos Ace better overall?+
Based on our 10-category scoring, the Bowers & Wilkins Px7 S3 comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.
Which is better for Sound Quality, the Bowers & Wilkins Px7 S3 or the Sonos Ace?+
The Bowers & Wilkins Px7 S3 scores higher on Sound Quality (9.5/10 vs 8.5/10) — driver performance, tuning, and detail.
Which is better for Gaming, the Bowers & Wilkins Px7 S3 or the Sonos Ace?+
The Sonos Ace scores higher on Gaming (7.5/10 vs 7.0/10) — latency, low-lag mode support, and soundstage.
Which is better for Durability, the Bowers & Wilkins Px7 S3 or the Sonos Ace?+
The Sonos Ace scores higher on Durability (9.0/10 vs 8.5/10) — build materials, hinge quality, and reported longevity.
Which is better for Comfort, the Bowers & Wilkins Px7 S3 or the Sonos Ace?+
The Bowers & Wilkins Px7 S3 scores higher on Comfort (7.8/10 vs 7.5/10) — clamp force, padding, and weight for long sessions.
Is the Bowers & Wilkins Px7 S3 worth the price difference over the Sonos Ace?+
The Sonos Ace is the cheaper option at $399 versus $479. Whether the pricier model is "worth it" depends on how much you value its lead in Sound Quality.
Which is better suited to my use case?+
The Bowers & Wilkins Px7 S3 is the better fit if you mainly care about professionals or office. The Sonos Ace is the better fit for commute.
What's the warranty on the Bowers & Wilkins Px7 S3 vs the Sonos Ace?+
The Bowers & Wilkins Px7 S3 ships with a 12-month warranty; the Sonos Ace ships with a 12-month warranty. Always confirm current terms on the manufacturer's site before buying.
Should I wait for the next model instead of buying either of these?+
If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.
Cheaper Option
Beats Studio Pro — $349.99
Premium Option
Apple AirPods Max 2 — $549.00
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.