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Amidioheadphones · speakers · earbuds
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  3. DT 990 PRO X vs HD 550

beyerdynamic DT 990 PRO X vs Sennheiser HD 550

What DT 990 PRO X does better (1) and where HD 550 wins (0) — every spec side by side.

beyerdynamic DT 990 PRO X
beyerdynamic · 2025DT 990 PRO X
1 advantage≈ $210
vs
Sennheiser HD 550
Sennheiser · 2025HD 550
0 advantages≈ $190
3.8Noise control & calls3.8

Why is DT 990 PRO X better than HD 550?

  1. Lowest frequency5 Hz vs 6 Hz+20%

Why is HD 550 better than DT 990 PRO X?

HD 550 has no measurable advantages in this pair.

Specifications

Side by side

beyerdynamic DT 990 PRO Xbeyerdynamic DT 990 PRO X≈ $210
Sennheiser HD 550Sennheiser HD 550≈ $190
Sound
FitOn-earOver-ear
Ear cup designOpen-backOpen-back
Driver typeDynamicDynamic
Lowest frequency5 Hz6 Hz
Highest frequency40,000 Hz39,500 Hz
Impedance48 Ω150 Ω
Sensitivity97 dB106 dB
Noise control
Active noise cancellingNoNo
Connectivity
WirelessNoNo
3.5 mm jack / AUXYesYes
Design & build
Weight292 g—
ColoursBlackBlack

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