Over-Ear
STAX SR-X9000
88Outstanding
$5050
Full review dataSTAX SR-X9000 vs Ultrasone Edition 15 Grey: which should you buy?
Specs, scores and condensed review verdicts for the STAX SR-X9000 vs Ultrasone Edition 15 Grey, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Over-Ear
Ultrasone Edition 15 Grey
Not yet scored
$2999
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
STAX SR-X9000
Sound9.5
Value5.0
Ultrasone Edition 15 Grey
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | STAX SR-X9000 | Ultrasone Edition 15 Grey |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $5050 | $2999 |
| HearWiki score | 88 / 100 · Outstanding | Not scored |
| Released | 2021 | 2018 |
| Audio | ||
| Driver | electrostatic | GTC (Gold-Titanium-Compound) transducer |
| Driver size | - | 40 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 5Hz-42,000Hz | 5Hz-48kHz |
| Impedance | 145000 Ω | 40 Ω |
| Sensitivity | - | 94 dB/mW |
| Wireless | ||
| Multipoint pairing | No | - |
| Features | ||
| Active noise cancelling | No | - |
| Design | ||
| Weight | 432 g | 320 g |
| Model code | - | Edition 15 Veritas |
What reviewers said
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
Ultrasone Edition 15 Grey
The Edition 15 Veritas is a premium closed-back headphone that pairs a hybrid gold-titanium driver with cherry wood housings, delivering a warm, musical low end and crisp, accurate treble. Its 40-ohm impedance and 94 dB sensitivity make it easy to drive, while the LEMO connectors ensure a secure, durable cable connection.
- Pro:Warm, engaging bass response
- Pro:Detailed and precise high frequencies
- Pro:Lightweight 320g build for comfort
- Con:Very expensive at around $2999
- Con:Closed-back design may limit soundstage
- Con:Sensitivity is moderate, requiring decent amplification
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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