Wired IEMs
FiiO FD7
84Great
$445
Full review dataFiiO FD7 vs Westone W40: which should you buy?
Specs, scores and condensed review verdicts for the FiiO FD7 vs Westone W40, 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.
FiiO FD7
Sound8.5
Value7.0
Westone W40
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | FiiO FD7 | Westone W40 |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $445 | $500 |
| HearWiki score | 84 / 100 · Great | Not scored |
| Released | 2023 | 2017 |
| Audio | ||
| Driver | 12mm pure beryllium diaphragm dynamic driver | BA |
| Driver size | 12 mm | - |
| Drivers per side | 1 | 4 |
| Frequency response | 10Hz-40kHz | 10Hz-18kHz |
| Impedance | 50 Ω | 31 Ω |
| Sensitivity | 111 dB/mW | 118 dB/mW |
| Battery | ||
| Wireless charging | - | No |
| Features | ||
| ANC type | - | none |
| Transparency mode | - | No |
| Companion app | - | No |
| Custom EQ | - | No |
| Wear detection | - | No |
| Controls | buttons | buttons |
| Design | ||
| Weight | 11 g | 12.7 g |
| Water resistance | - | IPX4 |
| Detachable cable | Yes | Yes |
| USB-C | - | No |
| Calls | ||
| Microphones | - | 1 |
What reviewers said
FiiO FD7
The FiiO FD7 is a wired, flagship-grade in-ear monitor built around a single 12mm pure beryllium dynamic driver, housed in a semi-open design. It offers a spacious, refined sound with clean tonality, strong dynamics, and impressive detail retrieval, supported by a modular cable and tuning accessories. While easy to drive from most sources, its premium price and semi-open nature mean it targets enthusiasts seeking a high-end, natural presentation rather than casual listeners.
- Pro:Excellent clarity and natural tonal balance
- Pro:Wide, well-defined soundstage with strong imaging
- Pro:Highly resolving with good dynamics and detail
- Con:Lacks noise isolation due to semi-open design
- Con:Premium price may not suit budget-focused buyers
- Con:Requires burn-in or source matching for best results
Westone W40
The Westone W40 is a premium in-ear monitor with four balanced armature drivers, aiming for detailed and accurate sound reproduction. It includes a single-button remote/mic for device control and is built for comfort with a lightweight, cable-detachable design that also offers some water resistance.
- Pro:Detailed and accurate sound from four balanced armature drivers
- Pro:Lightweight and comfortable fit for long listening sessions
- Pro:Detachable cable allows for easy replacement or upgrade
- Con:No app support or custom EQ options
- Con:Lacks wireless or USB-C connectivity
- Con:Impedance of 31 ohms may require a more powerful source for best 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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