Over-Ear
HiFiMAN Isvarna
Not yet scored
$2899
Full review dataHiFiMAN Isvarna vs STAX SR-009D: which should you buy?
Specs, scores and condensed review verdicts for the HiFiMAN Isvarna vs STAX SR-009D, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
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.
HiFiMAN Isvarna
No sub-scores yet - not enough rated reviews.
STAX SR-009D
Sound9.5
Value5.5
Specifications
| Spec | HiFiMAN Isvarna | STAX SR-009D |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $2899 | $2640 |
| HearWiki score | Not scored | 88 / 100 · Outstanding |
| Released | - | 2024 |
| Audio | ||
| Driver | planar and dynamic | push-pull electrostatic circular sound element |
| Drivers per side | 2 | 2 |
| Frequency response | 6Hz-60kHz | 5Hz-42kHz |
| Impedance | 16 Ω | 145000 Ω |
| Sensitivity | 93 dB/mW | - |
| Wireless | ||
| Bluetooth | - | none |
| Multipoint pairing | - | No |
| Battery | ||
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | - | No |
| ANC type | - | none |
| Transparency mode | - | No |
| Companion app | - | No |
| Custom EQ | - | No |
| Wear detection | - | No |
| Design | ||
| Weight | 462 g | 594 g |
| Detachable cable | Yes | - |
| USB-C | - | No |
| Balanced connection | Yes | - |
What reviewers said
HiFiMAN Isvarna
No summary yet - we haven't aggregated enough reviews.
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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