Sennheiser CX Plus True Wireless vs Sony WF-1000XM4

What CX Plus True Wireless does better (5) and where WF-1000XM4 wins (2) — every spec side by side.

5.9Score

5 advantages≈ $170

Sony · 2021WF-1000XM4

6.9Score

2 advantages≈ $160

Higher score

7.2Noise control & calls5.2

5.2Battery7.4

3.6Build & features4.6

Why is CX Plus True Wireless better than WF-1000XM4?

Specifications

Only differences	Sennheiser CX Plus True Wireless≈ $1705.9	Sony WF-1000XM4≈ $1606.9
Sound
Fit	In-ear	In-ear
Ear cup design	Closed-back	Closed-back
Driver type	Dynamic	Dynamic
Driver size	7 mm	6 mm
Lowest frequency	5 Hz	20 Hz
Highest frequency	21,000 Hz	20,000 Hz
Sensitivity	114 dB	—
Hi-Res Audio	—	Yes
Adjustable equaliser	Yes	Yes
Noise control
Active noise cancelling	Yes	Yes
Transparency / ambient mode	Yes	Yes
Microphones	—	2
Noise reduction for calls	—	Yes
Battery & charging
Battery life	8 h	12 h
Battery life with ANC	—	8 h
Total with charging case	24 h	24 h
Charging time	1.5 h	1.5 h
Quick charge (claimed)	—	5 min → 1 h
Fast charging support	—	Yes
Wireless charging (case)	—	Yes
Connectivity
Wireless	Yes	Yes
Bluetooth version	5.2	5.2
Bluetooth codecs	aptX Adaptive, aptX, AAC, SBC	LDAC, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)	Yes	Yes
aptX	Yes	No
LDAC	No	Yes
USB-C	Yes	Yes
Smart & streaming
Voice assistant	—	Alexa, Google Assistant
Companion app	Yes	Yes
Design & build
Weight	—	41 g
Earbud weight (each)	6 g	7.3 g
Protection rating	IPX4	IPX4
Water resistance (IPx)	IPx4	IPx4
Colours	Black, White	White
Features
Touch controls	Yes	Yes
Hands-free calls	Yes	Yes