Over-Ear
Haylou S35 ANC
72Good
$60
Full review dataHaylou S35 ANC 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.
Haylou S35 ANC
Sound6.5
Noise cancelling6.0
Battery8.5
Calls6.0
Value8.0
Sennheiser HD 400
Sound8.5
Value8.0
Specifications
| Spec | Haylou S35 ANC | Sennheiser HD 400 |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $60 | $77 |
| HearWiki score | 72 / 100 · Good | 82 / 100 · Great |
| Released | 2023 | - |
| Audio | ||
| Driver | 40mm dynamic 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 |
| Sensitivity | -42 dB/mW | - |
| Wireless | ||
| Bluetooth | 5.2 | - |
| Bluetooth version | 5.2 | - |
| Codecs | SBC, AAC | - |
| Multipoint pairing | Yes | No |
| Wireless range | 10 m | - |
| Battery | ||
| Battery life | 60 h | - |
| Battery life (ANC on) | 40 h | - |
| Full charge time | 150 min | - |
| Quick charge | 5 min = 2 h | - |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | No |
| ANC type | hybrid | - |
| Transparency mode | Yes | - |
| Companion app | Yes | - |
| Controls | buttons | buttons |
| Voice assistant | voice assistant support | - |
| Design | ||
| Weight | 293 g | 240 g |
| Water resistance | - | none |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 4 | 1 |
| Call noise reduction | ENC | - |
What reviewers said
Haylou S35 ANC
The Haylou S35 ANC is a budget-friendly over-ear headphone that packs in a lot of features for its price, including hybrid active noise cancellation, Bluetooth 5.2 multipoint, and a long-lasting battery. With a focus on practicality and everyday performance, it offers a solid, well-rounded listening experience that is hard to beat at this cost, though it doesn't try to compete with premium audio gear. Its comfortable fit and decent sound quality make it a strong value pick for those seeking an affordable wireless option.
- Pro:Excellent battery life, especially with ANC off
- Pro:Hybrid ANC and transparency mode for versatility
- Pro:Multipoint connectivity for seamless device switching
- Con:Sound quality is good but not exceptional
- Con:Controls may take some getting used to
- Con:Build feels budget-oriented rather than premium
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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