Over-Ear
Bluedio T4
Not yet scored
$46
Full review dataBluedio T4 vs Sennheiser HD 400: which should you buy?
Specs, scores and condensed review verdicts for the Bluedio T4 vs Sennheiser HD 400, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
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.
Bluedio T4
No sub-scores yet - not enough rated reviews.
Sennheiser HD 400
Sound8.5
Value8.0
Specifications
| Spec | Bluedio T4 | Sennheiser HD 400 |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $46 | $77 |
| HearWiki score | Not scored | 82 / 100 · Great |
| Released | 2022 | - |
| Audio | ||
| Driver | dynamic | Sennheiser dynamic drivers |
| Driver size | 57 mm | 40 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 15Hz-25kHz | 18Hz-20kHz |
| Impedance | 16 Ω | 120 Ω |
| Sensitivity | 116 dB/mW | - |
| Wireless | ||
| Bluetooth | Bluetooth | - |
| Codecs | SBC, AAC | - |
| Multipoint pairing | No | No |
| Wireless range | 10 m | - |
| Battery | ||
| Battery life | 16 h | - |
| Battery life (ANC on) | 16 h | - |
| Full charge time | 90 min | - |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | - | No |
| ANC type | hybrid | - |
| Transparency mode | No | - |
| Companion app | No | - |
| Custom EQ | No | - |
| Wear detection | No | - |
| Controls | buttons | buttons |
| Design | ||
| Weight | 339 g | 240 g |
| Water resistance | - | none |
| Foldable | No | - |
| Detachable cable | Yes | - |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 1 | 1 |
| Call noise reduction | ANC | - |
What reviewers said
Bluedio T4
The Bluedio T4 is a budget-friendly over-ear Bluetooth headphone with hybrid active noise cancellation and a large 57mm dynamic driver that delivers a V-shaped, bass-forward sound. Its metal and protein leather build offers decent comfort for casual listening, though it lacks premium features like app support and multipoint connectivity. With roughly 16 hours of battery life and USB-C charging, it's a straightforward option for those prioritizing bass and noise isolation over portability or smart extras.
- Pro:Strong sub-bass emphasis suits bass-heavy genres
- Pro:Hybrid ANC helps reduce ambient noise for the price
- Pro:Comfortable padded earcups with sturdy metal construction
- Con:Bulky and heavy design not suited for workouts or travel
- Con:No app support or custom EQ for sound tuning
- Con:SBC/AAC only, lacking higher-quality codecs like aptX
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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