beyerdynamic DT 900 PRO X vs Sennheiser Momentum 4 Wireless

What DT 900 PRO X does better (2) and where Momentum 4 Wireless wins (2) — every spec side by side.

beyerdynamic · 2021DT 900 PRO X

2 advantages≈ $240

8.6Score

2 advantages≈ $190

Higher score

3.8Noise control & calls6.1

Why is DT 900 PRO X better than Momentum 4 Wireless?

Specifications

Only differences	beyerdynamic DT 900 PRO X≈ $240	Sennheiser Momentum 4 Wireless≈ $1908.6
Sound
Fit	Over-ear	Over-ear
Ear cup design	Open-back	Closed-back
Driver type	Dynamic	Dynamic
Driver size	—	42 mm
Lowest frequency	5 Hz	6 Hz
Highest frequency	40,000 Hz	22,000 Hz
Impedance	48 Ω	60 Ω
Sensitivity	100 dB	106 dB
Hi-Res Audio	—	Yes
Adjustable equaliser	—	Yes
Noise control
Active noise cancelling	No	Yes
Adaptive ANC	—	Yes
Transparency / ambient mode	—	Yes
Noise reduction for calls	—	Yes
Battery & charging
Battery life	—	60 h
Battery life with ANC	—	60 h
Battery capacity	—	700 mAh
Charging time	—	2 h
Quick charge (claimed)	—	5 min → 4 h
Fast charging support	—	Yes
Connectivity
Wireless	No	Yes
Bluetooth version	—	5.2
Bluetooth codecs	—	aptX Adaptive, aptX, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)	—	Yes
aptX	—	Yes
LDAC	—	No
NFC pairing	—	Yes
USB-C	—	Yes
3.5 mm jack / AUX	Yes	Yes
Smart & streaming
Companion app	—	Yes
Design & build
Weight	345 g	293 g
Foldable	—	Yes
Colours	Black	Black, Brown, Graphite, Teal, White, Denim, Copper
Features
Touch controls	—	Yes
Wear detection (auto pause)	—	Yes
Hands-free calls	—	Yes