Bose QuietComfort Earbuds (2nd Gen) vs Technics EAH-AZ100

What QuietComfort Earbuds (2nd Gen) does better (2) and where EAH-AZ100 wins (3) — every spec side by side.

5.8Score

2 advantages≈ $150

Technics · 2025EAH-AZ100

6.6Score

3 advantages≈ $270

Higher score

5.6Noise control & calls6.1

6.1Battery5.7

2.3Build & features3.8

Why is QuietComfort Earbuds (2nd Gen) better than EAH-AZ100?

Hi-res codec (LDAC / aptX HD / LHDC)No · QuietComfort Earbuds (2nd Gen): Yes
LDACNo · QuietComfort Earbuds (2nd Gen): Yes
Earbud weight (each)10 g vs 5.9 g+69%

Specifications

Only differences	Bose QuietComfort Earbuds (2nd Gen)≈ $1505.8	Technics EAH-AZ100≈ $2706.6
Sound
Fit	In-ear	In-ear
Ear cup design	Closed-back	Closed-back
Driver type	Dynamic	Dynamic
Driver size	—	10 mm
Lowest frequency	—	20 Hz
Highest frequency	—	40,000 Hz
Dolby Atmos	—	Yes
Hi-Res Audio	—	Yes
Adjustable equaliser	Yes	Yes
Noise control
Active noise cancelling	Yes	Yes
Transparency / ambient mode	Yes	Yes
Microphones	3	—
Noise reduction for calls	—	Yes
Battery & charging
Battery life	8 h	8 h
Battery life with ANC	—	7 h
Total with charging case	32 h	29 h
Charging time	1.5 h	2 h
Fast charging support	—	Yes
Wireless charging (case)	Yes	Yes
Connectivity
Wireless	Yes	Yes
Bluetooth version	5.3	5.3
Bluetooth codecs	SBC	LDAC, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)	No	Yes
aptX	No	No
LDAC	No	Yes
Multipoint (two devices)	Yes	Yes
LE Audio	—	Yes
USB-C	Yes	Yes
Design & build
Earbud weight (each)	10 g	5.9 g
Protection rating	IPX4	IPX4
Water resistance (IPx)	IPx4	IPx4
Features
Touch controls	Yes	Yes
Hands-free calls	Yes	Yes