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Technics EAH-AZ100 vs TOZO A1: which should you buy?

Specs, scores and condensed review verdicts for the Technics EAH-AZ100 vs TOZO A1, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

Score breakdown

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

Technics EAH-AZ100 leads on 6 of 7 measures.

  • Technics EAH-AZ100
  • TOZO A1
HearWiki score
86
-
Sound
9.2
-
Noise cancelling
8.6
-
Battery
8.7
-
Calls
7.8
-
Value
8.1
-
Price (USD)
$250
$150

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

Technics EAH-AZ100 (2025) against TOZO A1 (2020). The Technics EAH-AZ100 is the newer platform here: Top codec LC3 against AAC, LE Audio (LC3) and ANC type Hybrid against None. The TOZO A1 answers on convenience features: it adds Water resistance IPX5 against IPX4.

  • EAH-AZ10020255 yr newer
  • A12020
What differsEAH-AZ100A1

Platform

Top codec
LC3
AAC
LE Audio (LC3)
Yes
No
ANC type
Hybrid
None

Everyday features

Water resistance
IPX4
IPX5

Level on: Bluetooth, USB-C, Companion app.

Specifications

EAH-AZ100A1
Type
True Wireless
True Wireless
Price (USD)
$250
$150
HearWiki score
86
Not scored
Released
2025
2020
Availability
Sold new
Discontinued
Driver
10 mm dynamic
6 mm dynamic
Driver type
dynamic
dynamic
Driver size
10 mm
6 mm
Drivers per side
1
1
Frequency response
20 Hz - 40 kHz
20 Hz - 20 kHz
Impedance
16 Ω
16 Ω
Bluetooth
5.3
5.3
Codecs
SBC, AAC, LC3, LDAC
SBC, AAC
Multipoint pairing
Yes
-
Wireless range
10 m
10 m
Battery life
12 h
32 h
Battery life (ANC on)
10 h
-
Battery incl. case
28 h
-
Full charge time
120 min
120 min
Quick charge
15 min → 1.2 h
-
Wireless charging
Yes
-
Active noise cancelling
Yes
No
ANC type
hybrid
-
Transparency mode
Yes
-
Companion app
Yes
Yes
Custom EQ
Yes
-
Wear detection
Yes
-
Controls
touch
touch
Voice assistant
Yes
-
Weight
11.8 g
3.7 g
Case weight
42 g
-
Water resistance
IPX4
IPX5
USB-C
Yes
Yes
Microphones
2
2
Microphone type
MEMS
-

What reviewers said

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

TOZO A1

The TOZO A1 is an ultra-light true wireless earbud designed for comfort and extended listening, with each bud weighing just 3.7g. It pairs via Bluetooth 5.3, offers a combined 32-hour battery life with the case, and carries an IPX5 rating for sweat and light rain resistance. Touch controls and app support add convenience, while the 6mm dynamic drivers deliver a straightforward sound profile without active noise cancellation.

  • Pro:Extremely lightweight at 3.7g per bud
  • Pro:Long 32-hour total battery life with case
  • Pro:IPX5 water resistance for workouts
  • Con:No active noise cancellation
  • Con:Only 6mm drivers may limit bass depth
  • Con:No wireless charging mentioned

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

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