Head to head
Focal Bathys Hi-Fi Wireless vs Sennheiser Momentum 4 Wireless
Sennheiser Momentum 4 Wireless leads 2 to 1 on the 3 rankable specs and costs $320 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$399Bowers & Wilkins Px7 S2e$399Bose QuietComfort Ultra Headphones$429Sonos Ace$449Apple AirPods Max (USB-C)$549Buying for
Your devices
Straight answer
Overall: 1 to 2
Buy the Sennheiser Momentum 4 Wireless.
- Leads 2 of 3 rankable overall specs; Focal Bathys Hi-Fi Wireless takes 1.
- Weight: 293 g vs 350 g
- Battery life: 60 hours vs 30 hours
- It is also $320 cheaper.
Deal-breakers
tick what would make you walk away
- Trips:Focal Bathys Hi-Fi Wireless · No (swivels flat)Trips:Sennheiser Momentum 4 Wireless · No (swivels flat)
- Trips:Focal Bathys Hi-Fi Wireless · 350 g (12.3 oz)Clear:Sennheiser Momentum 4 Wireless · 293 g (10.3 oz)
- Trips:Focal Bathys Hi-Fi Wireless · 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
Focal
350 g (12.3 oz)
Sennheiser
293 g (10.3 oz)
Active Noise Cancelling≠
Focal
Yes (Silent, Soft, and Transparent modes with 8 microphones)
Sennheiser
Yes (Hybrid Adaptive Active Noise Cancellation)
Battery life
Focal
30 hours (Bluetooth ANC) / 35 hours (Jack) / 42 hours (USB-DAC)
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.
Focal: 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 | 350 g (12.3 oz) | 293 g (10.3 oz) (wins this row: lower) |
| Foldable | No (swivels flat) | No (swivels flat) |
| Carrying case | Rigid black/silver carrying 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 Aluminum/Magnesium 'M'-shaped dome (Made in France) | 42 mm Transducer system (audiophile-inspired) |
|---|---|---|
| Active Noise Cancelling | Yes (Silent, Soft, and Transparent modes with 8 microphones) | Yes (Hybrid Adaptive Active Noise Cancellation) |
| Transparency mode | Yes (Transparency Mode) | Yes (Adjustable Transparency Mode) |
| Supported codecs | aptX Adaptive, aptX, AAC, SBC | aptX, aptX Adaptive, AAC, SBC |
| Microphones | 8 microphones with Clear Voice Capture technology | 2x2 digital beamforming mic array |
Connectivity & Battery
3 differences| Multipoint Bluetooth | Yes (Bluetooth 5.1 multipoint) | Yes (Bluetooth 5.2 multipoint pairing) |
|---|---|---|
| Battery life | 30 hours (Bluetooth ANC) / 35 hours (Jack) / 42 hours (USB-DAC) | 60 hours (ANC on via Bluetooth) (wins this row: higher) |
| Charging time | 1.5 hours (15 min fast charge gives 5 hours) (wins this row: lower) | 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
Focal Bathys Hi-Fi Wireless
High-fidelity Bluetooth active noise-cancelling headphones with integrated 24-bit/192kHz USB-DAC mode.
- True high-fidelity audiophile sound with patented Aluminum/Magnesium M-dome drivers
- Built-in USB-DAC mode supports uncompressed 24-bit/192kHz playback
- Exquisite French design with backlit ear cup logos and genuine leather
What you give up
- High luxury price point
- Heavier build at 350 grams
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: Focal Bathys Hi-Fi Wireless ↗ · Sennheiser Momentum 4 Wireless ↗
Common questions
Which is cheaper, the Focal Bathys Hi-Fi Wireless or the Sennheiser Momentum 4 Wireless?
Sennheiser Momentum 4 Wireless costs $320 less at list price.
What is the biggest catch with the Focal Bathys Hi-Fi Wireless 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 Focal Bathys Hi-Fi Wireless 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, 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.