The Stax SR-4070 ranks #235 out of 479 total Over-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: Stax
Prices on this page were last checked October 16, 2026 at 5:46 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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#235 Stax SR-4070: $1,750 Discontinued eBay
Pros: A broadly balanced tuning with a preference score of 72 against the Harman target.
Cons: An uneven response, 3.1 dB standard deviation from target. Discontinued.
| Back | Closed |
|---|---|
| Connection | Wired (Stax Pro bias 580V 5-pin) |
| Deviation From Target | 3.14 dB standard deviation |
| Driver Type | Electrostatic |
| Drivers | 1 Electrostatic push-pull |
| Form Factor | Over-ear |
| Harman Preference Score | 72 (measured by crinacle, via AutoEQ) |
| Tonal Tilt | +0.16 (negative is warmer, positive brighter) |
EQ Presets
Harman target
Set a preamp of -5.4 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +4.5 dB | 0.70 |
| Peak | 9,137 Hz | +7.4 dB | 1.73 |
| Peak | 5,546 Hz | -6.0 dB | 1.08 |
| Peak | 211 Hz | -2.4 dB | 2.15 |
| Peak | 7,148 Hz | +4.8 dB | 3.16 |
| High shelf | 10,000 Hz | -2.3 dB | 0.70 |
| Peak | 1,713 Hz | -2.5 dB | 2.02 |
| Peak | 427 Hz | +2.7 dB | 2.80 |
| Peak | 2,401 Hz | +3.6 dB | 5.04 |
| Peak | 136 Hz | -0.5 dB | 0.77 |
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