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  3. DT 990 PRO X vs Signature Pure

beyerdynamic DT 990 PRO X vs UltraSone Signature Pure

What DT 990 PRO X does better (2) and where Signature Pure wins (0) — every spec side by side.

beyerdynamic DT 990 PRO X
beyerdynamic · 2025DT 990 PRO X
2 advantages≈ $210
vs
UltraSone Signature Pure
UltraSone · 2024Signature Pure
0 advantages≈ $200
3.9Noise control & calls3.9

Why is DT 990 PRO X better than Signature Pure?

  1. Lowest frequency5 Hz vs 8 Hz+60%
  2. Highest frequency40,000 Hz vs 35,000 Hz+14%

Why is Signature Pure better than DT 990 PRO X?

Signature Pure has no measurable advantages in this pair.

Specifications

Side by side

beyerdynamic DT 990 PRO Xbeyerdynamic DT 990 PRO X≈ $210
UltraSone Signature PureUltraSone Signature Pure≈ $200
Sound
FitOn-earOver-ear
Ear cup designOpen-backClosed-back
Driver typeDynamicDynamic
Driver size—50 mm
Lowest frequency5 Hz8 Hz
Highest frequency40,000 Hz35,000 Hz
Impedance48 Ω32 Ω
Sensitivity97 dB114 dB
Noise control
Active noise cancellingNoNo
Battery & charging
Charging time—3 h
Connectivity
WirelessNoNo
3.5 mm jack / AUXYesYes
Design & build
Weight292 g294 g
ColoursBlack—

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