True Wireless
OnePlus Buds Pro 4
84Great
$130
Full review dataOnePlus Buds Pro 4 vs Sennheiser Accentum Open: which should you buy?
On aggregated review scores the OnePlus Buds Pro 4 comes out ahead with an HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: OnePlus Buds Pro 4 - Great overall at around $130.
True Wireless
Sennheiser Accentum Open
45Weak
$80
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
OnePlus Buds Pro 4
Sound8.5
Noise cancelling8.0
Battery8.5
Calls7.5
Value9.0
Sennheiser Accentum Open
Sound6.5
Battery4.0
Calls2.0
Value3.5
Specifications
| Spec | OnePlus Buds Pro 4 | Sennheiser Accentum Open |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $130 | $80 |
| HearWiki score | 84 / 100 · Great | 45 / 100 · Weak |
| Released | 2026 | 2025 |
| Audio | ||
| Driver | dual drivers; 11mm woofer + 6mm tweeter | dynamic |
| Driver size | 11 mm | 11 mm |
| Drivers per side | 1 | 2 |
| Frequency response | 10Hz-40kHz | 25Hz-15kHz |
| Impedance | - | 150 Ω |
| Sensitivity | - | 109 dB/mW |
| Wireless | ||
| Bluetooth | 5.4 | 5.x |
| Bluetooth version | - | 5.3 |
| Codecs | SBC, AAC, LHDC 5.0 | SBC, AAC |
| Multipoint pairing | Yes | Yes |
| Latency | 47 ms | - |
| Wireless range | 10 m | - |
| Battery | ||
| Battery life | 13 h | 6.5 h |
| Battery life (ANC on) | 7 h | - |
| Battery incl. case | 45 h | 24 h |
| Full charge time | 70 min | 60 min |
| Quick charge | 10 min = 11 hours playback | 10 min = 1 h |
| Wireless charging | Yes | No |
| Features | ||
| Active noise cancelling | Yes | Yes |
| ANC type | adaptive | - |
| Transparency mode | Yes | - |
| Companion app | Yes | - |
| Custom EQ | Yes | - |
| Wear detection | Yes | - |
| Controls | touch | - |
| Voice assistant | yes | - |
| Design | ||
| Weight | 4.73 g | 38 g |
| Case weight | 50.62 g | 29.3 g |
| Water resistance | IP55 | IPX4 |
| USB-C | Yes | Yes |
| Model code | OnePlus Buds 4 | - |
| Calls | ||
| Microphones | 3 | 4 |
| Call noise reduction | - | beamforming |
What reviewers said
OnePlus Buds Pro 4
The OnePlus Buds Pro 4 are a well-rounded pair of true wireless earbuds that deliver impressive audio, adaptive noise cancellation, and strong battery life for their price. They're particularly suited for active lifestyles thanks to their IP55 rating and secure fit, with a feature set that includes multipoint, wireless charging, and customizable EQ. Overall, they offer excellent value and perform above their price point across most key areas.
- Pro:Rich dual-driver sound with LHDC support
- Pro:Effective adaptive ANC and transparency mode
- Pro:Long battery life with wireless charging case
- Con:Touch controls may require a learning curve
- Con:No official mention of wear detection
- Con:Slightly bulky case compared to rivals
Sennheiser Accentum Open
The Sennheiser Accentum Open are open-ear wireless earbuds that deliver solid audio quality for music and voice, but their overall package is undermined by a precarious fit, cheap-feeling construction, and a minimal feature set. While they offer multipoint connectivity and a reasonable total battery life, issues like poor call clarity and a lack of app support make them feel dated against current competition.
- Pro:Good sound quality for music and voice
- Pro:Supports Bluetooth multipoint for seamless device switching
- Pro:Decent total battery life including the charging case
- Con:Tricky fit that may not stay secure for all ears
- Con:Flimsy build quality that feels cheap
- Con:Poor call clarity and video performance
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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