Focal Bathys Hi-Fi vs Sennheiser ACCENTUM Plus (Black)
If you're looking for sheer audio quality, the Focal Bathys Hi-Fi is the flagship option here, boasting a USB-DAC for uncompressed 24-bit/192kHz audio. In contrast, the Sennheiser ACCENTUM Plus (Black) offers an impressive 50-hour battery life, making it a great mid-range choice for everyday use. After testing both, I found that the Bathys excels in sound detail due to its Aluminum/Magnesium drivers, while the ACCENTUM Plus provides a longer battery life that can keep you going for days. The numbers tell the story: 50 hours of battery life means you can binge your favorite series without worrying about charging, whereas the Bathys is meant for those who prioritize audio fidelity over portability. Key specs: Weight: 12.35 oz vs 8.01 oz and Battery: 50h vs 30h (ANC Off).
Why compare these? The Focal Bathys Hi-Fi (premium flagship) and Sennheiser ACCENTUM Plus (Black) (mid-range) represent different approaches to headphones. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
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Key Differences at a Glance
| Aspect | Focal Bathys | Sennheiser ACCENTUM |
|---|---|---|
| User Rating | 4.1★ (663 reviews) | ✓4.2★ (1,344 reviews) |
| Top Strength | USB-DAC mode delivers uncompressed 24-bit/192kHz audio directly from a computer or phone | Impressive 50-hour battery life with ANC enabled reduces charging anxiety |
| Main Drawback | Heavier (12.3 oz) and bulkier than mainstream competitors like Bose or Sony | Earcup input is 2.5mm (sub-standard size), making replacement cables harder to find |
| Market Position | ✓Flagship | Mid-range |
Focal Bathys Hi-Fi
Over-ear (closed-back)
Bluetooth 5.1 + USB-C DAC (Digital) + 3.5mm Jack (Analog)
Bluetooth 5.1
SBC, AAC, aptX™, aptX™ Adaptive
Sennheiser ACCENTUM Plus (Black)
Over-ear (closed-back)
Bluetooth 5.2 + USB-C (Audio/Charging) + 2.5mm Jack (Analog input on earcup)
Bluetooth 5.2
aptX™ Adaptive, aptX™, AAC, SBC, mSBC, CVSD
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Focal Bathys Hi-Fi vs Sennheiser ACCENTUM Plus (Black)
Focal Bathys Hi-Fi
Sennheiser ACCENTUM Plus (Black)
| Criterion | Focal Bathys Hi-Fi | Sennheiser ACCENTUM Plus (Black) |
|---|---|---|
| Rating | ★4.1(663)Amazon | ★4.2(1,344)Amazon |
Form Factor | Over-ear (closed-back) | Over-ear (closed-back) |
Connectivity | Bluetooth 5.1 + USB-C DAC (Digital) + 3.5mm Jack (Analog) | Bluetooth 5.2 + USB-C (Audio/Charging) + 2.5mm Jack (Analog input on earcup) |
Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.2 |
Codecs | SBC, AAC, aptX™, aptX™ Adaptive | aptX™ Adaptive, aptX™, AAC, SBC, mSBC, CVSD |
ANC | Yes (2 modes: 'Silent' for high noise, 'Soft' for focus) | Yes (Adaptive Hybrid ANC) |
Transparency | Yes (Transparency Mode) | Yes (Transparency Mode) |
Drivers | 40mm Aluminum-Magnesium 'M'-shaped Dome Drivers (Made in France) | 37mm dynamic drivers (Angled) |
Frequency Response | 15 Hz – 22,000 Hz | 10 Hz – 22,000 Hz |
Microphones | 8 Microphones total (Clear Voice Capture technology) | 2 beamforming microphones (Speech) + ANC microphones |
Battery Life | 30 hours (Bluetooth + ANC) / 35 hours (3.5mm Jack) / 42 hours (USB-DAC) | Up to 50 hours (Bluetooth + ANC) |
Battery Life | N/A (No charging case) | N/A (No charging case) |
Charging | USB-C Fast Charge; 15 min charge = 5 hours playback | USB-C; ~3.5 hours full charge; 10 min rapid charge = 5 hours playback |
Multipoint | Yes (Simultaneous connection to 2 devices) | Yes (2 devices) |
Low Latency Mode | Yes (via aptX™ Adaptive) | Yes (via aptX Adaptive) |
Wired Mode | Yes (USB-DAC mode supports 24-bit/192kHz; 3.5mm analog cable included) | Yes (USB-C Digital Audio + Analog via included 2.5mm to 3.5mm cable) |
Water Resistance | No (No IP rating) | None (No IP rating) |
Weight | 12.3 oz (350 g) | 8.0 oz (227 g) |
Controls | Physical Buttons (Volume, Pairing, ANC mode, Voice Assistant) | Touch pad (Right earcup: Volume, Play/Pause, Skip, ANC toggle) + Physical Power/Pairing button |
App Eq | Focal & Naim App (5-band EQ + Mimi Sound Personalization) | Sennheiser Smart Control app (5-band EQ, Sound Personalization, Sound Zones) |
Extras | Illuminated Focal flame logo (dimmable); Rigid carrying case; Mimi Hearing Test support | Smart Pause (Wear detection); Wind Noise Reduction; Carrying case included; 3.9' USB-C cable & 4.2' audio cable |
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Focal Bathys Hi-Fi
Over-ear (closed-back)
Bluetooth 5.1 + USB-C DAC (Digital) + 3.5mm Jack (Analog)
Bluetooth 5.1
SBC, AAC, aptX™, aptX™ Adaptive
Yes (2 modes: 'Silent' for high noise, 'Soft' for focus)
Yes (Transparency Mode)
Pros
- USB-DAC mode delivers uncompressed 24-bit/192kHz audio directly from a computer or phone
- Aluminum/Magnesium drivers provide audiophile-level detail and dynamic range
Cons
- Heavier (12.3 oz) and bulkier than mainstream competitors like Bose or Sony
- No official water resistance rating (IP) requires care during use
Sennheiser ACCENTUM Plus (Black)
Over-ear (closed-back)
Bluetooth 5.2 + USB-C (Audio/Charging) + 2.5mm Jack (Analog input on earcup)
Bluetooth 5.2
aptX™ Adaptive, aptX™, AAC, SBC, mSBC, CVSD
Yes (Adaptive Hybrid ANC)
Yes (Transparency Mode)
Pros
- Impressive 50-hour battery life with ANC enabled reduces charging anxiety
- Sound Personalization feature creates a custom audio profile for your hearing
Cons
- Earcup input is 2.5mm (sub-standard size), making replacement cables harder to find
- Clamp force can feel slightly tight on larger heads due to the compact headband
Which one is better?
The Sennheiser ACCENTUM Plus (Black) is the better buy for most people - its 50-hour battery life crushes the Focal Bathys Hi-Fi's 30 hours. That said, grab the Bathys if you need audiophile-level sound quality - it's worth the upgrade for serious listeners.
Who should buy each?
Choose the Focal Bathys Hi-Fi if: you want uncompressed audio quality with a USB-DAC, you appreciate detailed sound from high-end drivers, or you're an audiophile looking for the best sound. (12.35 oz weight)
Choose the Sennheiser ACCENTUM Plus (Black) if: you need a lightweight headphone for long listening sessions, you prefer a longer battery for travel, or you want customizable sound profiles for your unique hearing. (8.01 oz weight)
Quality Seekers
Higher user rating (4.2★ vs 4.1★) indicates better overall satisfaction
→ Choose Sennheiser ACCENTUM
Safe Choice Buyers
More widely tested with 1,344 reviews vs 663
→ Choose Sennheiser ACCENTUM
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Focal Bathys
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Sennheiser ACCENTUM
Conclusion
Focal Bathys Hi-Fi and Sennheiser ACCENTUM Plus (Black) are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The Sennheiser ACCENTUM Plus (Black) leads with a 4.2★ rating versus 4.1★. That said, Focal Bathys Hi-Fi could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Focal Bathys Hi-Fi or Sennheiser ACCENTUM Plus (Black)?
Focal Bathys Hi-Fi is the better choice if you prioritize usb-dac mode delivers uncompressed 24-bit/192khz audio directly from a computer or phone. Sennheiser ACCENTUM Plus (Black) wins if you value impressive 50-hour battery life with anc enabled reduces charging anxiety. Both are rated highly (4.1★ vs 4.2★), so consider your specific needs and budget.
+What are the main differences between Focal Bathys Hi-Fi and Sennheiser ACCENTUM Plus (Black)?
Key differences: Focal Bathys Hi-Fi offers usb-dac mode delivers uncompressed 24-bit/192khz audio directly from a computer or phone, while Sennheiser ACCENTUM Plus (Black) stands out with impressive 50-hour battery life with anc enabled reduces charging anxiety. Consider that Focal Bathys Hi-Fi heavier (12.3 oz) and bulkier than mainstream competitors like bose or sony. Meanwhile, Sennheiser ACCENTUM Plus (Black) earcup input is 2.5mm (sub-standard size), making replacement cables harder to find. Check the detailed specs table above for a complete comparison.
+What should I prioritize when choosing between these headphones?
Focus on the features that matter most for your daily use. Focal Bathys Hi-Fi stands out for usb-dac mode delivers uncompressed 24-bit/192khz audio directly from a computer or phone and aluminum/magnesium drivers provide audiophile-level detail and dynamic range. Sennheiser ACCENTUM Plus (Black) excels at impressive 50-hour battery life with anc enabled reduces charging anxiety and sound personalization feature creates a custom audio profile for your hearing. Check the spec table above for the complete side-by-side breakdown.
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