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  3. DT 990 PRO X vs MONDO OVER-EAR ANC

beyerdynamic DT 990 PRO X vs defunc MONDO OVER-EAR ANC

What DT 990 PRO X does better (3) and where MONDO OVER-EAR ANC wins (1) — every spec side by side.

beyerdynamic DT 990 PRO X
beyerdynamic · 2025DT 990 PRO X
3 advantages≈ $210
vs
defunc MONDO OVER-EAR ANC
defunc · 2026MONDO OVER-EAR ANC
8.6Score
1 advantage≈ $250
Higher score
4.0Noise control & calls7.9

Why is DT 990 PRO X better than MONDO OVER-EAR ANC?

  1. Lowest frequency5 Hz vs 20 Hz4×
  2. Highest frequency40,000 Hz vs 20,000 Hz2×
  3. Weight292 g vs 314 g+8%

Why is MONDO OVER-EAR ANC better than DT 990 PRO X?

  1. Active noise cancellingNo · DT 990 PRO X: Yes
Specifications

Side by side

Sound
FitOn-ear—
Ear cup designOpen-back—
Driver typeDynamicDynamic
Driver size—40 mm
Lowest frequency5 Hz20 Hz
Highest frequency40,000 Hz20,000 Hz
Impedance48 Ω32 Ω
Sensitivity97 dB95 dB
Adjustable equaliser—Yes
Noise control
Active noise cancellingNoYes
Transparency / ambient mode—Yes
Battery & charging
Battery life—55 h
Charging time—1.5 h
Connectivity
WirelessNoYes
Bluetooth version—6
Bluetooth codecs—AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)—No
aptX—No
LDAC—No
Multipoint (two devices)—Yes
USB-C—Yes
3.5 mm jack / AUXYesYes
Design & build
Weight292 g314 g
Foldable—Yes
ColoursBlack—
Features
Hands-free calls—Yes
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