Over-Ear
Erzetich Pro
72Good
$3240
Full review dataErzetich Pro vs STAX SR-X9000: which should you buy?
On aggregated review scores the STAX SR-X9000 comes out ahead with an HearWiki score of 88. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: STAX SR-X9000 - Outstanding overall at around $5050.
Over-Ear
STAX SR-X9000
88Outstanding
$5050
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Erzetich Pro
Sound8.0
Value5.0
STAX SR-X9000
Sound9.5
Value5.0
Specifications
| Spec | Erzetich Pro | STAX SR-X9000 |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $3240 | $5050 |
| HearWiki score | 72 / 100 · Good | 88 / 100 · Outstanding |
| Released | 2021 | 2021 |
| Audio | ||
| Driver | Planar magnetic | electrostatic |
| Drivers per side | - | 2 |
| Frequency response | - | 5Hz-42,000Hz |
| Impedance | 43 Ω | 145000 Ω |
| Wireless | ||
| Multipoint pairing | - | No |
| Features | ||
| Active noise cancelling | - | No |
| Design | ||
| Weight | 740 g | 432 g |
| Model code | Charybdis | - |
What reviewers said
Erzetich Pro
The Erzetich Pro is a high-end planar magnetic over-ear headphone aimed at audiophiles seeking a premium wired listening experience. It delivers a spacious, dynamic, and highly resolving sound, though its substantial weight and open-back design require a dedicated, stationary setup. This is a flagship-tier product for those prioritizing performance over portability or convenience.
- Pro:Exceptional resolution and dynamic range
- Pro:Immersive and wide soundstage
- Pro:Efficient enough for a range of amplifiers
- Con:Heavy and physically demanding to wear
- Con:Very high price point
- Con:Open-back design limits usage to quiet environments
STAX SR-X9000
The STAX SR-X9000 is a top-tier electrostatic headphone that excels at revealing fine detail, ambient cues, and instrumental nuance, delivering an exceptionally transparent and spacious soundstage. It offers outstanding speed, transient response, and realism, making it ideal for classical and spatially demanding music. However, it requires a dedicated energizer/driver unit, pushing the total system cost far beyond the already steep headphone price.
- Pro:Exceptional detail retrieval and transparency
- Pro:Huge, three-dimensional soundstage with precise imaging
- Pro:Fast transient response and realistic timbre
- Con:Requires separate electrostatic driver unit
- Con:Very high total system cost
- Con:No noise cancellation or wireless convenience
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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