Sennheiser HD 555 Review: Ranked #194 of 382

Last updated: October 13, 2026

The Sennheiser HD 555 ranks #194 out of 382 total Over-Ear Headphones for sound quality. See all Headphones rankings for every top pick.

Brand: Sennheiser

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Sennheiser HD 555 - ranked #194 of 382 Over-Ear Headphones · Editor's rating 3.6/5

#194 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.

BackOpen
ConnectionWired
Deviation From Target3.22 dB standard deviation
Driver TypeDynamic
Form FactorOver-ear
Frequency Response15Hz - 28kHz
Harman Preference Score73 (measured by oratory1990, via AutoEQ)
Impedance50 ohms
Sub-bass ExtensionFalls 6 dB below target at 75 Hz (-10.7 dB at 30 Hz)
Tonal Tilt+0.08 (negative is warmer, positive brighter)
Weight0.6 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.

FilterFrequencyGainQ
Low shelf105 Hz+6.4 dB0.70
Peak8,770 Hz+6.5 dB0.18
Peak235 Hz-2.1 dB0.68
Peak3,192 Hz-8.7 dB1.46
Peak1,085 Hz-2.8 dB1.57
High shelf10,000 Hz-6.0 dB0.70
Peak5,370 Hz-2.7 dB6.00
Peak4,426 Hz+1.9 dB5.91
Peak6,356 Hz+2.3 dB5.93
Peak65 Hz+0.8 dB4.09
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