Sennheiser Momentum True Wireless 4 vs Soundcore Liberty 4

What Momentum True Wireless 4 does better (5) and where Liberty 4 wins (5) — every spec side by side.

6.4Score

5 advantages≈ $150

Higher score

Soundcore · 2023Liberty 4

5.3Score

5 advantages≈ $140

8.4Sound3.6

5.3Noise control & calls4.8

4.5Battery6.6

3.4Build & features3.6

Why is Momentum True Wireless 4 better than Liberty 4?

Specifications

Only differences	Sennheiser Momentum True Wireless 4≈ $1506.4	Soundcore Liberty 4≈ $1405.3
Sound
Fit	In-ear	In-ear
Ear cup design	Closed-back	Closed-back
Driver type	Dynamic	Dynamic
Driver size	7 mm	9.2 mm
Lowest frequency	5 Hz	20 Hz
Highest frequency	21,000 Hz	40,000 Hz
Impedance	—	16 Ω
Sensitivity	107 dB	91 dB
Spatial / 3D audio	—	Yes
Head tracking	—	Yes
Hi-Res Audio	Yes	Yes
Adjustable equaliser	Yes	Yes
Noise control
Active noise cancelling	Yes	No
Adaptive ANC	Yes	—
Transparency / ambient mode	Yes	Yes
Microphones	3	—
Noise reduction for calls	Yes	—
Battery & charging
Battery life	7 h	9 h
Battery life with ANC	6 h	—
Total with charging case	30 h	28 h
Charging time	4 h	1 h
Quick charge (claimed)	8 min → 1 h	—
Fast charging support	Yes	—
Wireless charging (case)	Yes	Yes
Connectivity
Wireless	Yes	Yes
Bluetooth version	5.4	5
Bluetooth codecs	aptX Lossless, aptX Adaptive, aptX, LC3, AAC, SBC	aptX
Hi-res codec (LDAC / aptX HD / LHDC)	Yes	No
aptX	Yes	Yes
LDAC	No	No
Multipoint (two devices)	Yes	Yes
LE Audio	Yes	—
Auracast	Yes	—
USB-C	Yes	Yes
Smart & streaming
Voice assistant	Alexa, Google Assistant	—
Companion app	—	Yes
Design & build
Earbud weight (each)	6.2 g	6 g
Protection rating	IP54	IPX4
Water resistance (IPx)	IPx4	IPx4
Dust protection (IP)	5	—
Colours	Black Copper, Black Graphite, Denim, Gold, White Silver	Cloud White, Sky Blue, Nova Red, Midnight Black
Features
Touch controls	Yes	Yes
Hands-free calls	Yes	Yes