FiiO FW3 vs OnePlus Buds Pro 4: which should you buy?
Specs, scores and condensed review verdicts for the FiiO FW3 vs OnePlus Buds Pro 4, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Score breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | FiiO FW3 | OnePlus Buds Pro 4 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $100 | $130 |
| HearWiki score | Not scored | 84 / 100 · Great |
| Released | 2021 | 2026 |
| Audio | ||
| Driver | 10mm carbon-based dynamic driver | dual drivers; 11mm woofer + 6mm tweeter |
| Driver size | 10 mm | 11 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-20kHz | 10Hz-40kHz |
| Impedance | 32 Ω | - |
| Sensitivity | 106 dB/mW | - |
| Wireless | ||
| Bluetooth | Qualcomm QCC5141 | 5.4 |
| Codecs | LHDC, aptX Adaptive | SBC, AAC, LHDC 5.0 |
| Multipoint pairing | No | Yes |
| Latency | 100 ms | 47 ms |
| Wireless range | 10 m | 10 m |
| Battery | ||
| Battery life | 21 h | 13 h |
| Battery life (ANC on) | - | 7 h |
| Battery incl. case | 21 h | 45 h |
| Full charge time | 100 min | 70 min |
| Quick charge | - | 10 min = 11 hours playback |
| Wireless charging | - | Yes |
| Features | ||
| Active noise cancelling | - | Yes |
| ANC type | none | adaptive |
| Transparency mode | No | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | - | Yes |
| Controls | - | touch |
| Voice assistant | supported | yes |
| Design | ||
| Weight | 6.2 g | 4.73 g |
| Case weight | 44.8 g | 50.62 g |
| Water resistance | No | IP55 |
| Foldable | No | - |
| Detachable cable | No | - |
| USB-C | Yes | Yes |
| Model code | - | OnePlus Buds 4 |
| Calls | ||
| Microphones | - | 3 |
What reviewers said
FiiO FW3
The FiiO FW3 are true wireless earbuds built around a 10mm carbon dynamic driver and a Qualcomm Bluetooth chip, with support for high-resolution LHDC and aptX Adaptive codecs. They feature a 10-band parametric EQ and a low-latency gaming mode, but lack ANC, transparency, and multipoint. Total battery life reaches 21 hours from the case, though the buds themselves have no water resistance rating.
- Pro:Supports high-quality LHDC and aptX Adaptive codecs
- Pro:Includes a 10-band parametric EQ for detailed tuning
- Pro:Low-latency gaming mode reduces audio delay
- Con:No active noise cancellation or transparency mode
- Con:No multipoint connection for switching devices
- Con:No water resistance rating, limiting outdoor use
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
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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