Wired IEMs
FiiO FD7
84Great
$445
Full review dataFiiO FD7 vs Meze Rai Solo: which should you buy?
On aggregated review scores the FiiO FD7 comes out ahead with an HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: FiiO FD7 - Great overall at around $445.
Score breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
FiiO FD7
Sound8.5
Value7.0
Meze Rai Solo
Sound7.5
Value7.0
Specifications
| Spec | FiiO FD7 | Meze Rai Solo |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $445 | $249 |
| HearWiki score | 84 / 100 · Great | 72 / 100 · Good |
| Released | 2023 | 2020 |
| Audio | ||
| Driver | 12mm pure beryllium diaphragm dynamic driver | 9.2mm UPM dynamic driver |
| Driver size | 12 mm | 9.2 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 10Hz-40kHz | 18Hz-22kHz |
| Impedance | 50 Ω | 16 Ω |
| Sensitivity | 111 dB/mW | 105 dB/mW |
| Wireless | ||
| Bluetooth | - | none |
| Multipoint pairing | - | No |
| Battery | ||
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | - | No |
| Controls | buttons | none |
| Design | ||
| Weight | 11 g | 20 g |
| Detachable cable | Yes | Yes |
| USB-C | - | No |
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
Meze Rai Solo
The Meze Rai Solo is a single 9.2mm dynamic-driver IEM that prioritizes easy driving with low impedance and high sensitivity, delivering a clear, midrange-focused sound with strong imaging. Its build quality feels premium, and it performs well when a proper seal is achieved, though its bass response is highly dependent on fit and tip selection. Overall, it offers a technically capable and refined listening experience for its price tier, though not without some compromises in low-end consistency.
- Pro:Easy to drive with any source
- Pro:High-quality, comfortable build
- Pro:Clear and detailed midrange
- Con:Bass is very seal-dependent
- Con:Included eartips are limited
- Con:Not for bass-heavy listeners
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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