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
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
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.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
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