crinacle
78Crinacle ranking: grade B+, tone B, technical S-, signature: Mid-centric.
Read the full reviewSTAX SR-4070
59/ 100
Average
HearWiki score
Priced about right
$1,700
typical price, USD
Discontinuedupdated 
At a glance
- Brand
- STAX
- Type
- Over-Ear
- Fit
- -
- Connection
- Wired
- Noise cancelling
- No
- Released
- 2001
Score breakdownaverage overall
Sound7.6
The HearWiki takeAI-condensed
The STAX SR-4070 is a premium electrostatic over-ear headphone designed for audiophiles seeking a wired, reference-grade listening experience. With a mid-centric sound signature and exceptional technical performance, it delivers detailed, high-fidelity audio across an extended frequency range. Ideal for critical listening, this headphone requires a dedicated electrostatic amplifier and offers no modern conveniences like ANC or wireless connectivity.
What works
- Exceptional technical performance with detailed sound reproduction
- Wide frequency response from 7 Hz to 41 kHz
- Mid-centric tuning ideal for vocals and instruments
- High sensitivity for an electrostatic design
- Premium build quality with a substantial feel
What doesn't
- Requires a dedicated electrostatic amplifier, limiting portability
- No active noise cancellation or wireless features
- Heavy at 480 grams, potentially uncomfortable for long sessions
- No controls, app support, or customization options
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | 2× electrostatic |
|---|---|
| Driver type | electrostatic |
| Drivers per side | 2 |
| Frequency response | 7 Hz - 41 kHz |
| Sound signature | mid-forward |
| Impedance | 145000 Ω |
| Sensitivity | 97 dB/mW |
Audio
| Driver | 2× electrostatic |
|---|---|
| Driver type | electrostatic |
| Drivers per side | 2 |
| Frequency response | 7 Hz - 41 kHz |
| Sound signature | mid-forward |
| Impedance | 145000 Ω |
| Sensitivity | 97 dB/mW |
Features
| Active noise cancelling | No |
|---|---|
| ANC type | none |
| Transparency mode | No |
| Companion app | No |
| Custom EQ | No |
| Wear detection | No |
| Controls | none |
Design
| Weight | 480 g |
|---|---|
| Water resistance | none |
| Foldable | No |
| Detachable cable | Yes |
| USB-C | No |
What the reviews said
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