Wired IEMs
FiiO FD7
84Great
$445
Full review dataFiiO FD7 vs Westone MACH 20: 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.
Wired IEMs
Westone MACH 20
72Good
$399
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
FiiO FD7
Sound8.5
Value7.0
Westone MACH 20
Sound7.0
Value6.5
Specifications
| Spec | FiiO FD7 | Westone MACH 20 |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $445 | $399 |
| HearWiki score | 84 / 100 · Great | 72 / 100 · Good |
| Released | 2023 | 2022 |
| Audio | ||
| Driver | 12mm pure beryllium diaphragm dynamic driver | BA |
| Driver size | 12 mm | - |
| Drivers per side | 1 | 2 |
| Frequency response | 10Hz-40kHz | 20Hz-18kHz |
| Impedance | 50 Ω | 96 Ω |
| Sensitivity | 111 dB/mW | 110 dB/mW |
| Features | ||
| Controls | buttons | - |
| Design | ||
| Weight | 11 g | 6 g |
| Detachable cable | Yes | - |
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 MACH 20
The Westone MACH 20 is a dual-BA universal IEM that emphasizes neutrality and balance over flashy, exciting sound. It offers clear, forward mids, controlled bass, and a fatigue-free treble, making it a solid choice for vocal-focused listening or mix-checking, though it doesn't push technical boundaries. Its comfortable, lightweight build and easy-listening character position it as a competent, studio-oriented monitor rather than a class-leading performer.
- Pro:Neutral, balanced tuning with clear mids
- Pro:Comfortable and lightweight design
- Pro:Fatigue-free treble for long sessions
- Con:Limited treble extension
- Con:Not an exciting or dynamic sound
- Con:Technical performance is competent but not top-tier
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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