Over-Ear
STAX SR-X9000
88Outstanding
$5050
Full review dataSTAX SR-X9000 vs Ultrasone Edition 15 Midnight: which should you buy?
Specs, scores and condensed review verdicts for the STAX SR-X9000 vs Ultrasone Edition 15 Midnight, 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 Midnight
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 Midnight
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | STAX SR-X9000 | Ultrasone Edition 15 Midnight |
|---|---|---|
| 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 |
| Detachable cable | - | Yes |
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 Midnight
The Ultrasone Edition 15 Midnight is a premium semi-open over-ear headphone built around a Gold-Titanium-Compound driver, aiming to blend rich, musical tonality with technical accuracy. Its construction features cherry wood cup frames, an aluminum headband, and magnetic ear pads, plus detachable LEMO cables for flexible connectivity. Priced as a luxury model, it targets audiophiles seeking a warm yet detailed listening experience with high-end materials.
- Pro:Warm, musical sound signature with solid precision
- Pro:Luxurious build using cherry wood and aluminum
- Pro:Detachable LEMO cables for easy replacement or upgrade
- Con:Very expensive at around $2999
- Con:Sensitivity of 94 dB/mW may require a powerful amp
- Con:Semi-open design may not isolate well in noisy environments
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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