The Koss SP540 ranks #339 out of 417 total Over-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: Koss
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#339 Koss SP540 Discontinued eBay
Pros: Its tuning has been measured by crinacle, so its sound can be compared directly with other measured models.
Cons: Discontinued, so it is mainly found used. A Harman score of 54 places it in the lower part of the over-ear rankings.
| Released | 2014 (12 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 3.22 dB standard deviation |
| Driver Type | Dynamic |
| Form Factor | Over-ear |
| Frequency Response | 10Hz - 25kHz |
| Harman Preference Score | 54 (measured by crinacle, via AutoEQ) |
| Impedance | 35 ohms |
| Tonal Tilt | -1.25 (negative is warmer, positive brighter) |
EQ preset to match the Harman target
Set a preamp of -3.5 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 | +0.3 dB | 0.70 |
| Peak | 170 Hz | -6.7 dB | 0.89 |
| Peak | 1,507 Hz | +3.8 dB | 0.55 |
| Peak | 3,036 Hz | -3.9 dB | 2.38 |
| Peak | 352 Hz | +1.0 dB | 1.15 |
| High shelf | 10,000 Hz | +0.1 dB | 0.70 |
| Peak | 5,443 Hz | -3.4 dB | 6.00 |
| Peak | 53 Hz | -0.9 dB | 1.96 |
| Peak | 4,400 Hz | +2.3 dB | 6.00 |
| Peak | 83 Hz | +1.1 dB | 3.34 |
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