Short answer: both are discontinued, so this only matters if you are buying used. Used, the Sennheiser HD 555 is the better pick: it ranks #194 of 407 over-ear headphones by sound quality (rated 3.6/5), against #243 (rated 3.4/5) for the Sennheiser HD 579. If you want one new, the Dan Clark Audio E3 ranks #1 at $2,299.
The case for the Sennheiser HD 555: Measured response gives it a solid Harman preference score of 73 with a 3.22 dB spread, and its mids sit within about 0.5 dB of target, so vocals and instruments sound natural. Watch for: Discontinued, so it is mainly found used.
The case for the Sennheiser HD 579: Its tonal tilt of -0.60 sits close to the target, so the overall balance is neither dark nor bright. The tradeoff: Discontinued, so it is mainly found used.
Buy the Sennheiser HD 555 only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, start with the Dan Clark Audio E3 instead.
Want more options? Browse the full Headphones rankings.
Specifications Side By Side
| Sennheiser HD 555 | Sennheiser HD 579 | |
|---|---|---|
| Price | Discontinued | Discontinued |
| Ranked | #194 of 407 in Over-Ear Headphones | #243 of 407 in Over-Ear Headphones |
| Form Factor | Over-ear | Over-ear |
| Back | Open | Open |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Dynamic |
| Impedance | 50 ohms | 50 ohms |
| Frequency Response | 15Hz - 28kHz | 15Hz - 28kHz |
| Weight | 0.6 lbs (260 g) | 0.6 lbs (250g) |
| Harman Preference Score | 73 (measured by oratory1990, via AutoEQ) | 68 (measured by crinacle, via AutoEQ) |
| Deviation From Target | 3.22 dB standard deviation | 2.94 dB standard deviation |
| Tonal Tilt | +0.08 (negative is warmer, positive brighter) | -0.60 (negative is warmer, positive brighter) |
| Sub-bass Extension | Falls 6 dB below target at 75 Hz (-10.7 dB at 30 Hz) | - |
| Drivers | - | 1 x 38mm dynamic |
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The Two Headphones In Full
Sennheiser HD 555 Discontinued eBay
Pros: Measured response gives it a solid Harman preference score of 73 with a 3.22 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 10.7 dB short at 30 Hz, so deep bass lacks rumble. Treble sits about 6.2 dB low, so it sounds a little dark.
Full Sennheiser HD 555 review and specifications →
| Back | Open |
|---|---|
| Connection | Wired |
| Deviation From Target | 3.22 dB standard deviation |
| Driver Type | Dynamic |
| Form Factor | Over-ear |
| Frequency Response | 15Hz - 28kHz |
| Harman Preference Score | 73 (measured by oratory1990, via AutoEQ) |
| Impedance | 50 ohms |
| Sub-bass Extension | Falls 6 dB below target at 75 Hz (-10.7 dB at 30 Hz) |
| Tonal Tilt | +0.08 (negative is warmer, positive brighter) |
| Weight | 0.6 lbs (260 g) |
EQ preset to match the Harman target
Set a preamp of -6.3 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 | +6.4 dB | 0.70 |
| Peak | 8,770 Hz | +6.5 dB | 0.18 |
| Peak | 235 Hz | -2.1 dB | 0.68 |
| Peak | 3,192 Hz | -8.7 dB | 1.46 |
| Peak | 1,085 Hz | -2.8 dB | 1.57 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 5,370 Hz | -2.7 dB | 6.00 |
| Peak | 4,426 Hz | +1.9 dB | 5.91 |
| Peak | 6,356 Hz | +2.3 dB | 5.93 |
| Peak | 65 Hz | +0.8 dB | 4.09 |
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Sennheiser HD 579 Discontinued eBay
Pros: Its tonal tilt of -0.60 sits close to the target, so the overall balance is neither dark nor bright. It uses 1 x 38mm dynamic.
Cons: Discontinued, so it is mainly found used. Its 2.94 dB spread is less even than the best measured sets.
Full Sennheiser HD 579 review and specifications →
| Released | Sep 2016 (10 years ago) |
|---|---|
| Back | Open |
| Connection | Wired |
| Deviation From Target | 2.94 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 38mm dynamic |
| Form Factor | Over-ear |
| Frequency Response | 15Hz - 28kHz |
| Harman Preference Score | 68 (measured by crinacle, via AutoEQ) |
| Impedance | 50 ohms |
| Tonal Tilt | -0.60 (negative is warmer, positive brighter) |
| Weight | 0.6 lbs (250g) |
EQ preset to match the Harman target
Set a preamp of -6.3 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 | +6.3 dB | 0.70 |
| Peak | 135 Hz | -4.4 dB | 0.45 |
| Peak | 1,680 Hz | +4.0 dB | 1.08 |
| Peak | 2,973 Hz | -4.4 dB | 4.33 |
| Peak | 33 Hz | +1.0 dB | 3.41 |
| High shelf | 10,000 Hz | -0.5 dB | 0.70 |
| Peak | 9,202 Hz | +6.7 dB | 2.00 |
| Peak | 5,676 Hz | -3.1 dB | 2.19 |
| Peak | 6,705 Hz | +2.2 dB | 5.29 |
| Peak | 630 Hz | +0.8 dB | 3.85 |
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