Over-Ear
QCY H3S
68Good
$50
Full review dataQCY H3S vs Sennheiser HD 400: which should you buy?
On aggregated review scores the Sennheiser HD 400 comes out ahead with an HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Sennheiser HD 400 - Great overall at around $77.
Over-Ear
Sennheiser HD 400
82Great
$77
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
QCY H3S
Sound6.5
Noise cancelling6.0
Battery8.5
Calls6.5
Value8.0
Sennheiser HD 400
Sound8.5
Value8.0
Specifications
| Spec | QCY H3S | Sennheiser HD 400 |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $50 | $77 |
| HearWiki score | 68 / 100 · Good | 82 / 100 · Great |
| Released | 2025 | - |
| Audio | ||
| Driver | 40mm + 13mm dual driver | Sennheiser dynamic drivers |
| Driver size | 40 mm | 40 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 20Hz-40kHz | 18Hz-20kHz |
| Impedance | 32 Ω | 120 Ω |
| Wireless | ||
| Bluetooth | 6 | - |
| Bluetooth version | 6.0 | - |
| Codecs | LDAC, LDHC, AAC | - |
| Multipoint pairing | Yes | No |
| Battery | ||
| Battery life | 102 h | - |
| Battery life (ANC on) | 58 h | - |
| Battery incl. case | 102 h | - |
| Full charge time | 120 min | - |
| Quick charge | 10 min = 7 h | - |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | No |
| ANC type | adaptive | - |
| Controls | buttons | buttons |
| Voice assistant | Supported | - |
| Design | ||
| Weight | 240 g | 240 g |
| Water resistance | none | none |
| Foldable | Yes | - |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 7 | 1 |
What reviewers said
QCY H3S
The QCY H3S is a budget-friendly over-ear wireless headphone that packs premium features like active noise cancellation, dual drivers, and LDAC support. With an exceptionally long battery life, multipoint connectivity, and a comfortable fit, it delivers surprising performance for its low price point, making it a strong value pick.
- Pro:Exceptional battery life (up to 102 hours without ANC)
- Pro:Effective adaptive ANC for the price
- Pro:Dual-driver setup with LDAC support for detailed sound
- Con:Build quality feels plasticky at times
- Con:Bass can be overwhelming for some genres
- Con:Buttons instead of touch controls may feel dated
Sennheiser HD 400
These over-ear Sennheiser headphones are built around a neutral, open-back design aimed at studio work, delivering a wide soundstage and detailed, transparent audio for critical listening. They are lightweight and comfortable for long sessions, with a high-impedance driver setup that helps maintain low distortion, though they lack isolation and come without a carry case. Wired connectivity via USB-C and detachable cables adds versatility, but the open-back nature means sound leaks both ways.
- Pro:Accurate, transparent sound with wide soundstage
- Pro:Lightweight and comfortable for extended wear
- Pro:Detachable cables and USB-C connectivity
- Con:No included carry case or spare ear pads
- Con:Open-back design leaks sound and offers no isolation
- Con:High impedance may require a dedicated amplifier for best results
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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