The Stax SR-009 ranks #131 out of 382 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 12, 2026 at 4:13 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.
As an eBay Partner, we may be compensated if you make a purchase.
#131 Stax SR-009 Discontinued eBay
Newer model: the Stax SR-009S, ranked lower, rated 3.7/5, released Apr 2018. See every Stax SR-009 generation.
Pros: Measured response gives it a very good Harman preference score of 79 with a 2.62 dB spread, and its mids sit within about 0.5 dB of target, so vocals and instruments sound natural.
Cons: Discontinued, so it is mainly found used. Sub-bass is 9.5 dB short at 30 Hz, so deep bass lacks rumble. Treble sits about 5.7 dB low, so it sounds a little dark.
| Released | 2011 (15 years ago) |
|---|---|
| Back | Open |
| Connection | Wired |
| Deviation From Target | 2.62 dB standard deviation |
| Driver Type | Electrostatic |
| Form Factor | Over-ear |
| Frequency Response | 5Hz - 42kHz |
| Harman Preference Score | 79 (measured by oratory1990, via AutoEQ) |
| Sensitivity | 101 dB/100Vrms |
| Sub-bass Extension | Falls 6 dB below target at 56 Hz (-9.5 dB at 30 Hz) |
| Tonal Tilt | +0.16 (negative is warmer, positive brighter) |
| Weight | 1 lbs (454g) |
EQ preset to match the Harman target
Set a preamp of -6.2 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 | +5.6 dB | 0.70 |
| Peak | 1,829 Hz | -5.8 dB | 0.54 |
| Peak | 6,777 Hz | +5.2 dB | 0.95 |
| Peak | 2,219 Hz | +8.5 dB | 2.04 |
| Peak | 5,033 Hz | -4.4 dB | 3.65 |
| High shelf | 10,000 Hz | -4.5 dB | 0.70 |
| Peak | 71 Hz | -1.4 dB | 2.43 |
| Peak | 43 Hz | +1.0 dB | 2.52 |
| Peak | 212 Hz | -0.7 dB | 2.00 |
| Peak | 421 Hz | +0.3 dB | 1.56 |
- Reviews, Comparisons and Sound Samples