Bowers & Wilkins
Bowers & Wilkins Px7 S2e
Headphones
$399List price
Explore this product Your shortlist, side by side
Bowers & Wilkins Px7 S2e vs Sonos Ace
Find the differences that matter for your next decision.
Sonos
Sonos Ace
Headphones
$449List price
Explore this product What matters most to you?
Start with all rankable specifications, or focus on a particular use.
Your starting point
Buy the Bowers & Wilkins Px7 S2e.
- Leads 3 of 3 rankable overall specs.
- Weight: 307 g vs 312 g
How we reached this
We compare the published specifications relevant to your priority. Each rankable specification counts once; your selected requirements can rule a product out. This is a guide to the numbers, not a laboratory performance score.
Charging time: 2 hours vs 3 hours full charge
It is also $50 cheaper.
The trade-off to know
Bowers & Wilkins Px7 S2e: ANC is good but not on par with class leaders Bose/Sony
Look at the differences ↓Refine your requirements
Your other devices
What would rule one out?
Side by side
The differences, in detail.
Start with the key specs, then explore as much as you need.
| What you’re comparing | Bowers & Wilkins Px7 S2e | Sonos Ace |
|---|---|---|
| WeightDesign | 307 g (10.8 oz) | 312 g (11.0 oz) |
| FoldableDesign | No (swivel earcups) | No (swivels flat into slim magnetic felt case) |
| Carrying caseDesign | Slim fabric hard-shell travel case included | Slim recycled felt travel case with magnetic cable pouch |
| Active Noise CancellingAudio | Yes (Hybrid Noise Cancellation with 6 microphones) | Yes (Active Noise Cancellation with 8 exterior and interior mics) |
| Battery lifeConnectivity & Battery | 30 hours (ANC on) | 30 hours (ANC or Aware Mode enabled) |
Showing 5 of 14 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
What you gain. What you give up.
Bowers & Wilkins Px7 S2e
Reasons to choose it
- Exquisite musical detail, separation, and stereo imaging
- High-end construction with memory foam earcups and metal arms
- Direct 24-bit streaming support from Bowers & Wilkins Music App
Worth considering
- ANC is good but not on par with class leaders Bose/Sony
- Microphone wind reduction in outdoor calls is average
Sonos Ace
Reasons to choose it
- Seamless one-button TV Audio Swap from Sonos Arc soundbars
- Lossless audio via USB-C and Qualcomm Snapdragon Sound aptX Lossless
- Plush magnetic memory foam cushions with tactile physical buttons
Worth considering
- TV Audio Swap feature is limited to Sonos soundbar owners
- No passive 3.5mm analog listening when battery is depleted
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
Know what’s behind the comparison
Published specs. Visible sources.
Clinchmark compares manufacturer specifications and other published information. We have not independently lab-tested these products. Editorial assessments and unknown values are identified in the specification details.
Catalog snapshot: September 1, 2026. Prices, availability, and provider terms can change.
Still weighing it up?
Which is cheaper, the Bowers & Wilkins Px7 S2e or the Sonos Ace?
Bowers & Wilkins Px7 S2e costs $50 less at list price.
What is the biggest catch with the Bowers & Wilkins Px7 S2e or Sonos Ace?
Both has this deal-breaker: does not fold. Takes a bigger slot in a carry-on.
Which is better for flights & commutes, the Bowers & Wilkins Px7 S2e or the Sonos Ace?
Too close to call on flights & commutes from the spec sheets. Only weight is rankable here. Active Noise Cancelling: Yes vs Yes Transparency mode: Yes vs Yes
What cannot be compared from spec sheets?
Of the 14 specs tracked here, 11 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.