Over-Ear
Abyss Diana V2
68Good
$2995
Full review dataAbyss Diana V2 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.
Abyss Diana V2
Sound7.5
Value5.0
STAX SR-X9000
Sound9.5
Value5.0
Specifications
| Spec | Abyss Diana V2 | STAX SR-X9000 |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $2995 | $5050 |
| HearWiki score | 68 / 100 · Good | 88 / 100 · Outstanding |
| Released | 2019 | 2021 |
| Audio | ||
| Driver | planar | electrostatic |
| Driver size | 63 mm | - |
| Drivers per side | 1 | 2 |
| Frequency response | 7 Hz - 28 kHz | 5Hz-42,000Hz |
| Impedance | 42 Ω | 145000 Ω |
| Sensitivity | 91 dB/mW | - |
| Wireless | ||
| Multipoint pairing | - | No |
| Features | ||
| Active noise cancelling | - | No |
| Design | ||
| Weight | 330 g | 432 g |
| Balanced connection | Yes | - |
What reviewers said
Abyss Diana V2
The Abyss Diana V2 is a premium planar magnetic headphone that packs a large 63mm driver into a surprisingly lightweight and portable frame. Its sound is characterized as natural, rich, and forgiving, though it demands quality amplification to truly shine. While praised for its build and tonal balance, its high price and measured performance have drawn mixed opinions from reviewers.
- Pro:Compact and lightweight design for a planar
- Pro:Natural, rich, and well-balanced tonal character
- Pro:High-quality build and premium materials
- Con:Requires powerful amplification, not easy to drive
- Con:Premium price may not match measured performance
- Con:Niche luxury appeal limits broad recommendation
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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