Wired IEMs
KZ D-Fi
72Good
$22
Full review dataKZ D-Fi vs Sennheiser IE 800 S: which should you buy?
On aggregated review scores the Sennheiser IE 800 S comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Sennheiser IE 800 S - Great overall at around $38.
Wired IEMs
Sennheiser IE 800 S
78Great
$38
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
KZ D-Fi
Sound7.0
Value8.0
Sennheiser IE 800 S
Sound8.5
Value6.0
Specifications
| Spec | KZ D-Fi | Sennheiser IE 800 S |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $22 | $38 |
| HearWiki score | 72 / 100 · Good | 78 / 100 · Great |
| Released | 2022 | 2017 |
| Audio | ||
| Driver | 10mm dual-magnet dynamic driver | Extra Wide Band (XWB) drivers |
| Driver size | 10 mm | 7 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 7Hz-45kHz | 5Hz-46.5kHz |
| Impedance | 23.5 Ω | 16 Ω |
| Sensitivity | 110 dB/mW | - |
| Wireless | ||
| Bluetooth | none | - |
| Multipoint pairing | No | No |
| Features | ||
| Active noise cancelling | No | No |
| ANC type | none | - |
| Transparency mode | No | - |
| Companion app | No | - |
| Custom EQ | Yes | - |
| Wear detection | No | - |
| Controls | buttons | - |
| Design | ||
| Weight | 73 g | 8 g |
| Detachable cable | Yes | Yes |
| USB-C | No | No |
| Calls | ||
| Microphones | 1 | - |
What reviewers said
KZ D-Fi
The KZ D-Fi is a budget-friendly wired IEM featuring a single 10mm dual-magnet dynamic driver and adjustable tuning switches, delivering a balanced, mature sound with controlled bass and decent detail for its price. It offers solid build quality, easy drivability, and good value, though its technical performance is average and the stock cable and fit may not appeal to everyone.
- Pro:Balanced, non-fatiguing sound profile
- Pro:Effective tuning switches for sound adjustment
- Pro:Solid build quality and comfortable fit
- Con:Mid-bass texture and treble extension could be better
- Con:Upper-midrange can sound slightly harsh
- Con:Stock cable quality is mediocre
Sennheiser IE 800 S
The Sennheiser IE 800 S is a compact, high-end wired in-ear that impresses with its detailed, spacious sound and refined tuning, thanks to its single 7mm XWB driver. While it offers strong build quality and comfort, its premium price tag, noticeable cable noise, and some design quirks may give potential buyers pause.
- Pro:Excellent detail retrieval and expansive soundstage
- Pro:Natural, cohesive tuning with strong sub-bass
- Pro:Very small and lightweight for comfortable extended wear
- Con:High price that may not fully match performance
- Con:Noticeable cable microphonics
- Con:Not a neutral or linear frequency response
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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