Over-Ear
OneOdio Studio Wireless C
66Good
$50
Full review dataOneOdio Studio Wireless C 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.
OneOdio Studio Wireless C
Sound6.5
Battery8.5
Calls4.5
Value7.5
Sennheiser HD 400
Sound8.5
Value8.0
Specifications
| Spec | OneOdio Studio Wireless C | Sennheiser HD 400 |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $50 | $77 |
| HearWiki score | 66 / 100 · Good | 82 / 100 · Great |
| Released | 2025 | - |
| Audio | ||
| Driver | 50mm | Sennheiser dynamic drivers |
| Driver size | 50 mm | 40 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-40kHz | 18Hz-20kHz |
| Impedance | 32 Ω | 120 Ω |
| Sensitivity | 110 dB/mW | - |
| Wireless | ||
| Bluetooth | 5.0 | - |
| Bluetooth version | 5.2 | - |
| Codecs | AAC, SBC | - |
| Multipoint pairing | Yes | No |
| Battery | ||
| Battery life | 110 h | - |
| Full charge time | 270 min | - |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | No | No |
| Controls | buttons | buttons |
| Design | ||
| Weight | 242 g | 240 g |
| Water resistance | none | none |
| Detachable cable | Yes | - |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 1 | 1 |
What reviewers said
OneOdio Studio Wireless C
The OneOdio Studio Wireless C is a budget-friendly, closed-back over-ear Bluetooth headphone that prioritizes long battery life and bold, bass-forward sound over premium features. It offers a straightforward wired/wireless experience with large 50mm drivers, making it a solid pick for casual listeners seeking value rather than audiophile precision. However, its build quality and microphone performance reflect its low price point.
- Pro:Exceptional battery life up to 110 hours
- Pro:Punchy bass and clear highs for the price
- Pro:Comfortable fit for extended listening sessions
- Con:Build quality feels less durable
- Con:Ear cups may be small for larger ears
- Con:Microphone quality is below average
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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