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Samsung Galaxy Buds4 vs Technics EAH-AZ100: which should you buy?

On aggregated review scores the Technics EAH-AZ100 comes out ahead with a HearWiki score of 86. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Technics EAH-AZ100 - Outstanding overall at around $250.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Technics EAH-AZ100 leads on 5 of 7 measures.

  • Samsung Galaxy Buds4
  • Technics EAH-AZ100
HearWiki score
66
86
Sound
6.9
9.2
Noise cancelling
4.0
8.6
Battery
5.3
8.7
Calls
7.9
7.8
Value
5.8
8.1
Price (USD)
$160
$250

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

New platform

Samsung Galaxy Buds4 (2026) against Technics EAH-AZ100 (2025). The Samsung Galaxy Buds4 is the newer platform here: Bluetooth 6.1 against 5.3 and ANC type Adaptive against Hybrid.

  • Galaxy Buds420261 yr newer
  • EAH-AZ1002025
What differsGalaxy Buds4EAH-AZ100

Platform

Bluetooth
6.1
5.3
ANC type
Adaptive
Hybrid

Everyday features

Wear detection
No
Yes
Water resistance
IP54
IPX4

Level on: Top codec, LE Audio (LC3), Multipoint pairing, Wireless charging, USB-C, Transparency mode, Custom EQ, Companion app.

Specifications

Galaxy Buds4EAH-AZ100
Type
True Wireless
True Wireless
Price (USD)
$160
$250
HearWiki score
66
86
Released
2026
2025
Availability
Sold new
Sold new
Driver
11 mm dynamic
10 mm dynamic
Driver type
dynamic
dynamic
Driver size
11 mm
10 mm
Drivers per side
1
1
Frequency response
20 Hz - 20 kHz
20 Hz - 40 kHz
Impedance
-
16 Ω
Bluetooth
6.1
5.3
Codecs
SBC, AAC, Samsung Scalable, LC3
SBC, AAC, LC3, LDAC
Multipoint pairing
Yes
Yes
Wireless range
-
10 m
Battery life
6 h
12 h
Battery life (ANC on)
5 h
10 h
Battery incl. case
30 h
28 h
Full charge time
-
120 min
Quick charge
-
15 min → 1.2 h
Wireless charging
Yes
Yes
Active noise cancelling
Yes
Yes
ANC type
adaptive
hybrid
Transparency mode
Yes
Yes
Companion app
Yes
Yes
Custom EQ
Yes
Yes
Wear detection
No
Yes
Controls
touch
touch
Voice assistant
Yes
Yes
Weight
4.6 g
11.8 g
Case weight
45.1 g
42 g
Water resistance
IP54
IPX4
USB-C
Yes
Yes
Model code
SM-R540NZKA
-
Microphones
6
2
Microphone type
-
MEMS

What reviewers said

Samsung Galaxy Buds4

The Samsung Galaxy Buds4 are true wireless earbuds that deliver adaptive noise cancellation and a comfortable, secure fit thanks to their lightweight design. With an 11mm dynamic driver, they offer a balanced sound profile, while the 6.1 Bluetooth version ensures stable multipoint connections. The IP54 rating and wireless charging case make them a practical everyday companion, offering up to 30 hours of total playback with the case.

  • Pro:Adaptive ANC adjusts to your surroundings
  • Pro:Compact and light at just 4.6g per bud
  • Pro:IP54 water resistance for workouts
  • Con:Battery life drops to 5 hours with ANC on
  • Con:No LDAC or aptX codec support
  • Con:Touch controls may be overly sensitive

Technics EAH-AZ100

The Technics EAH-AZ100 are premium true wireless earbuds that deliver rich, detailed sound through a 10mm dynamic driver, with support for high-resolution LDAC streaming. They combine effective hybrid active noise cancellation with a comfortable, IPX4-rated design, plus smart features like multipoint pairing and wireless charging for versatile daily use. With up to 12 hours of playtime on a single charge, they are built to last through long listening sessions.

  • Pro:Excellent sound quality with LDAC support
  • Pro:Strong hybrid ANC and transparency modes
  • Pro:Long battery life with wireless charging case
  • Con:Premium price point
  • Con:Touch controls may be overly sensitive
  • Con:No aptX codec support

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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New comparisonSamsung Galaxy Buds4Technics EAH-AZ100