Sennheiser Momentum True Wireless 3 vs Technics EAH-AZ40

What Momentum True Wireless 3 does better (6) and where EAH-AZ40 wins (2) — every spec side by side.

6.2Score

6 advantages≈ $95

Higher score

Technics · 2021EAH-AZ40

4.9Score

2 advantages≈ $100

5.4Battery4.8

2.2Build & features4.8

Why is Momentum True Wireless 3 better than EAH-AZ40?

Specifications

Only differences	Sennheiser Momentum True Wireless 3≈ $956.2	Technics EAH-AZ40≈ $1004.9
Sound
Fit	In-ear	In-ear
Ear cup design	Closed-back	Closed-back
Driver type	Dynamic	Dynamic
Driver size	7 mm	6 mm
Number of drivers	1	—
Lowest frequency	5 Hz	20 Hz
Highest frequency	21,000 Hz	20,000 Hz
Sensitivity	107 dB	—
Hi-Res Audio	Yes	—
Adjustable equaliser	Yes	Yes
Noise control
Active noise cancelling	Yes	—
Adaptive ANC	Yes	—
Transparency / ambient mode	Yes	Yes
Microphones	6	—
Noise reduction for calls	Yes	—
Battery & charging
Battery life	7 h	7.5 h
Total with charging case	28 h	—
Battery capacity	77 mAh	—
Charging time	1.5 h	2 h
Wireless charging (case)	Yes	—
Connectivity
Wireless	Yes	Yes
Bluetooth version	5.2	5.2
Bluetooth codecs	aptX Adaptive, aptX, AAC, SBC	AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)	Yes	No
aptX	Yes	No
LDAC	No	No
Multipoint (two devices)	—	Yes
USB-C	Yes	Yes
Smart & streaming
Companion app	Yes	—
Design & build
Earbud weight (each)	11.6 g	5 g
Protection rating	IPX4	IPX4
Water resistance (IPx)	IPx4	IPx4
Colours	Black	—
Features
Touch controls	Yes	Yes
Hands-free calls	Yes	Yes