
Focal Bathys Hi-Fi Wireless
Headphones
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Headphones

Headphones
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Your starting point
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.
The trade-off to know
Sony WH-1000XM4: Microphone voice isolation trails newer XM5 in windy conditions
Look at the differences ↓Side by side
Start with the key specs, then explore as much as you need.
| What you’re comparing | Focal Bathys Hi-Fi Wireless | Sony WH-1000XM4 |
|---|---|---|
| WeightDesign | 350 g (12.3 oz) | 254 g (8.95 oz) |
| FoldableDesign | No (swivels flat) | Yes (collapsible foldable headband) |
| Carrying caseDesign | Rigid black/silver carrying case included | Compact hard-shell zippered carrying case included |
| Active Noise CancellingAudio | Yes (Silent, Soft, and Transparent modes with 8 microphones) | Yes (HD Noise Cancelling Processor QN1 with Dual Noise Sensor) |
| Battery lifeConnectivity & Battery | 30 hours (Bluetooth ANC) / 35 hours (Jack) / 42 hours (USB-DAC) | 30 hours (ANC on) / 38 hours (ANC off) |
Showing 5 of 14 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
Beyond the spec sheet
Explore the ownership details available for this pair.
Ergonomic factors that affect daily comfort, glasses wearers, and luggage space.
Folding & Travel Packability
Standard folding earcups
Folds flat & inward (ultra-compact zippered case)
Clamp Force & Glasses Comfort
Standard headphone clamp
Gentle clamp force (~4.2 N, comfortable with glasses)
Weight & Crown Pressure
Standard headphone weight
254g (lightweight plastic composite)
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Focal: What to watch for
Sony: What to watch for
Microphones struggle significantly in windy outdoor conditions.
Shallow earcups cause ear cartilage to touch inner driver grille.
Know what’s behind the comparison
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.
Sony WH-1000XM4 costs $351 less at list price.
Focal Bathys Hi-Fi Wireless has this deal-breaker: does not fold. Takes a bigger slot in a carry-on.
For flights & commutes, buy the Sony WH-1000XM4. Leads 2 of 2 rankable flights & commutes specs. Weight: 254 g vs 350 g
Of the 14 specs tracked here, 10 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.