True Wireless
OnePlus Buds Pro 4
84Great
$130
Full review dataOnePlus Buds Pro 4 vs Sennheiser CX True Wireless: 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 CX True Wireless
76Great
$65
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 CX True Wireless
Sound7.5
Battery7.0
Calls6.5
Value8.0
Specifications
| Spec | OnePlus Buds Pro 4 | Sennheiser CX True Wireless |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $130 | $65 |
| HearWiki score | 84 / 100 · Great | 76 / 100 · Great |
| Released | 2026 | 2021 |
| Audio | ||
| Driver | dual drivers; 11mm woofer + 6mm tweeter | Dynamic (Sennheiser TrueResponse transducer) |
| Driver size | 11 mm | 7 mm |
| Drivers per side | 1 | 2 |
| Frequency response | 10Hz-40kHz | 5Hz-21kHz |
| Impedance | - | 16 Ω |
| Sensitivity | - | 110 dB/mW |
| Wireless | ||
| Bluetooth | 5.4 | 5.2 |
| Bluetooth version | - | 5.2 |
| Codecs | SBC, AAC, LHDC 5.0 | SBC, AAC, aptX |
| Multipoint pairing | Yes | No |
| Latency | 47 ms | - |
| Wireless range | 10 m | - |
| Battery | ||
| Battery life | 13 h | 9 h |
| Battery life (ANC on) | 7 h | - |
| Battery incl. case | 45 h | 27 h |
| Full charge time | 70 min | 90 min |
| Quick charge | 10 min = 11 hours playback | 15 min = 1 h |
| Wireless charging | Yes | No |
| Features | ||
| Active noise cancelling | Yes | No |
| ANC type | adaptive | none |
| Transparency mode | Yes | No |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | Yes | No |
| Controls | touch | touch |
| Voice assistant | yes | yes |
| Design | ||
| Weight | 4.73 g | 6 g |
| Case weight | 50.62 g | 37 g |
| Water resistance | IP55 | IPX4 |
| USB-C | Yes | Yes |
| Model code | OnePlus Buds 4 | - |
| Calls | ||
| Microphones | 3 | 2 |
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 CX True Wireless
The Sennheiser CX True Wireless earbuds deliver a well-balanced audio signature that appeals to those seeking a natural, uncolored sound. They come equipped with modern Bluetooth 5.2, aptX support, and a comfortable IPX4 rating, all packed into a compact, touch-controlled design. While battery performance is respectable, real-world use may fall slightly short of the advertised figures, and they lack premium extras like ANC or wireless charging.
- Pro:Neutral, balanced sound profile
- Pro:Solid Bluetooth 5.2 and aptX support
- Pro:Compact and lightweight with IPX4 splash resistance
- Con:Battery life varies and may not match specs
- Con:No active noise cancellation
- Con:No wireless charging or multipoint
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
Compare something else
Swap either side out, or start again from the picker.