Over-Ear
Abyss Diana V3 TC (Stealth)
86Outstanding
$4995
Full review dataAbyss Diana V3 TC (Stealth) vs STAX SR-009D: which should you buy?
On aggregated review scores the STAX SR-009D 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-009D - Outstanding overall at around $2640.
Over-Ear
STAX SR-009D
88Outstanding
$2640
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Abyss Diana V3 TC (Stealth)
Sound9.0
Value6.0
STAX SR-009D
Sound9.5
Value5.5
Specifications
| Spec | Abyss Diana V3 TC (Stealth) | STAX SR-009D |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $4995 | $2640 |
| HearWiki score | 86 / 100 · Outstanding | 88 / 100 · Outstanding |
| Released | 2024 | 2024 |
| Audio | ||
| Driver | planar | push-pull electrostatic circular sound element |
| Driver size | 63 mm | - |
| Drivers per side | 1 | 2 |
| Frequency response | 5Hz-58kHz | 5Hz-42kHz |
| Impedance | 72 Ω | 145000 Ω |
| Sensitivity | 90 dB/mW | - |
| Wireless | ||
| Bluetooth | none | none |
| Multipoint pairing | No | No |
| Battery | ||
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | No | No |
| ANC type | - | none |
| Transparency mode | - | No |
| Companion app | - | No |
| Custom EQ | - | No |
| Wear detection | - | No |
| Design | ||
| Weight | 2268 g | 594 g |
| Water resistance | none | - |
| USB-C | - | No |
| Model code | Diana TC Signature | - |
What reviewers said
Abyss Diana V3 TC (Stealth)
The Abyss Diana V3 TC is a high-end planar headphone that delivers an expansive, detailed soundstage with fast and resolving performance, especially when paired with powerful amplification. Its lightweight frame and stylish build are complemented by flexible cable options, though its premium price and potential fit issues for some listeners are notable considerations.
- Pro:Very transparent and detailed sound
- Pro:Large, immersive soundstage for its size
- Pro:Stylish and well-built design
- Con:Very expensive
- Con:Fit may feel loose for some users
- Con:Requires strong amplification to perform fully
STAX SR-009D
The STAX SR-009D is a premium electrostatic over-ear headphone that pushes the boundaries of high-fidelity audio with an exceptionally wide frequency response and transparent, detailed sound. Its open-back design and push-pull driver technology deliver a refined, airy presentation, but it demands a dedicated amplifier and a significant investment. This is a statement piece for audiophiles seeking the utmost in technical performance, not a casual listening device.
- Pro:Exceptional clarity and detail retrieval
- Pro:Very wide frequency range (5Hz-42kHz)
- Pro:Premium build quality with detachable cable
- Con:Requires specialized electrostatic amplifier
- Con:Very high price point
- Con:Open-back design leaks sound and offers no isolation
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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