Head to head
Bowers & Wilkins Px7 S2e vs Sennheiser Momentum 4 Wireless
Sennheiser Momentum 4 Wireless leads 2 to 0 on the 2 rankable specs and costs $20 less, which makes it the straightforward pick. Most of the 14 attributes tracked here are descriptive rather than numeric.
Catalog as of September 1, 2026
Why, in numbers
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Compare a different headphone
AirPods 4 with Active Noise Cancellation$179Anker Soundcore Space One Pro$199AirPods Pro 2 (USB-C)$249Bose QuietComfort Ultra Earbuds$299Sony WF-1000XM5 Earbuds$299Sony WH-1000XM4$348Bose QuietComfort Headphones$349Beats Studio Pro$349Sony WH-1000XM5$399Bose QuietComfort Ultra Headphones$429Sonos Ace$449Apple AirPods Max (USB-C)$549Focal Bathys Hi-Fi Wireless$699Buying for
Your devices
Straight answer
Overall: 0 to 2
Buy the Sennheiser Momentum 4 Wireless.
- Leads 2 of 2 rankable overall specs.
- Weight: 293 g vs 307 g
- Battery life: 60 hours vs 30 hours
- It is also $20 cheaper.
Deal-breakers
tick what would make you walk away
- Trips:Bowers & Wilkins Px7 S2e · No (swivel earcups)Trips:Sennheiser Momentum 4 Wireless · No (swivels flat)
- Trips:Bowers & Wilkins Px7 S2e · 307 g (10.8 oz)Clear:Sennheiser Momentum 4 Wireless · 293 g (10.3 oz)
- Trips:Bowers & Wilkins Px7 S2e · No official IP ratingTrips:Sennheiser Momentum 4 Wireless · No official IP rating
At a glance
The handful of numbers that decide most purchases in this category.
Weight
Bowers & Wilkins
307 g (10.8 oz)
Sennheiser
293 g (10.3 oz)
Active Noise Cancelling≠
Bowers & Wilkins
Yes (Hybrid Noise Cancellation with 6 microphones)
Sennheiser
Yes (Hybrid Adaptive Active Noise Cancellation)
Battery life
Bowers & Wilkins
30 hours (ANC on)
Sennheiser
60 hours (ANC on via Bluetooth)
Comfort, Clamp & Travel Fit Check
Ergonomic factors that affect daily comfort, glasses wearers, and luggage space.
Folding & Travel Packability
Standard folding earcups
Swivels flat only (large fabric travel case)
Clamp Force & Glasses Comfort
Standard headphone clamp
Medium-firm seal (~4.8 N, thick cushioned headband)
Weight & Crown Pressure
Standard headphone weight
293g (moderate weight, thick memory foam)
The 90-Day Owner Regret Check
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Bowers & Wilkins: What to watch for
- Maintenance
Requires ongoing care to maintain peak out-of-box performance.
Sennheiser: What to watch for
- Maintenance
Requires ongoing care to maintain peak out-of-box performance.
Design
leads 1-0| Type | Over-ear, closed-back | Over-ear, closed-back |
|---|---|---|
| Weight | 307 g (10.8 oz) | 293 g (10.3 oz) (wins this row: lower) |
| Foldable | No (swivel earcups) | No (swivels flat) |
| Carrying case | Slim fabric hard-shell travel case included | Fabric-covered structured hard zip case included |
| IP rating | No official IP rating | No official IP rating |
Audio
5 differences| Driver | 40 mm dynamic full-range bio-cellulose drivers (angled) | 42 mm Transducer system (audiophile-inspired) |
|---|---|---|
| Active Noise Cancelling | Yes (Hybrid Noise Cancellation with 6 microphones) | Yes (Hybrid Adaptive Active Noise Cancellation) |
| Transparency mode | Yes (Ambient Pass-Through) | Yes (Adjustable Transparency Mode) |
| Supported codecs | aptX Adaptive, aptX HD, aptX, AAC, SBC | aptX, aptX Adaptive, AAC, SBC |
| Microphones | 4 mics for ANC + 2 mics for telephony | 2x2 digital beamforming mic array |
Connectivity & Battery
leads 1-0| Multipoint Bluetooth | Yes (Bluetooth 5.2 multipoint) | Yes (Bluetooth 5.2 multipoint pairing) |
|---|---|---|
| Battery life | 30 hours (ANC on) | 60 hours (ANC on via Bluetooth) (wins this row: higher) |
| Charging time | 2 hours (15 min quick charge gives 7 hours) | 2 hours full charge (10 min charge gives 6 hours) |
Ownership
0 differences| Warranty | 2 years | 2 years |
|---|
Which one should you buy
Pick this one if
Bowers & Wilkins Px7 S2e
Evolved wireless headphones with 24-bit DSP engine, custom 40mm bio-cellulose drivers, and luxe metal detailing.
- 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
What you give up
- ANC is good but not on par with class leaders Bose/Sony
- Microphone wind reduction in outdoor calls is average
Pick this one if
Sennheiser Momentum 4 Wireless
Audiophile-tuned wireless headphones delivering signature Sennheiser sound and mammoth 60-hour battery life.
- Unrivaled 60-hour battery life with ANC engaged
- Audiophile-grade acoustic tuning with punchy dynamic bass
- Comprehensive aptX Adaptive high-resolution audio support
What you give up
- ANC performance slightly behind Sony XM5 and Bose Ultra
- Less distinctive styling compared to retro Momentum 3
Best for each use
Flights & commutes
For flights & commutes, buy the Sennheiser Momentum 4 Wireless.
Calls & work
Too close to call on calls & work from the spec sheets. Only battery life is rankable here.
Sound quality
Too close to call on sound quality from the spec sheets. Only weight is rankable here.
Done deciding?
Open the full standalone spec sheet for either device.
Manufacturer pages: Bowers & Wilkins Px7 S2e ↗ · Sennheiser Momentum 4 Wireless ↗
Common questions
Which is cheaper, the Bowers & Wilkins Px7 S2e or the Sennheiser Momentum 4 Wireless?
Sennheiser Momentum 4 Wireless costs $20 less at list price.
What is the biggest catch with the Bowers & Wilkins Px7 S2e or Sennheiser Momentum 4 Wireless?
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 Sennheiser Momentum 4 Wireless?
For flights & commutes, buy the Sennheiser Momentum 4 Wireless. Leads 2 of 2 rankable flights & commutes specs. Battery life: 60 hours vs 30 hours
What cannot be compared from spec sheets?
Of the 14 specs tracked here, 12 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.