True Wireless
Mifo A4
58Average
$130
Full review dataMifo A4 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.
True Wireless
Technics EAH-AZ100
86Outstanding
$250
Full review dataScore 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.
- Mifo A4
- Technics EAH-AZ100
HearWiki score
58
86
Sound
5.5
9.2
Noise cancelling
-
8.6
Battery
7.5
8.7
Calls
-
7.8
Value
5.0
8.1
Price (USD)
$130
$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
Technics EAH-AZ100 (2025) against Mifo A4 (2023). The Technics EAH-AZ100 is the newer platform here: Bluetooth 5.3 against 5.2, Top codec LC3 against AAC and LE Audio (LC3).
- A42023
- EAH-AZ10020252 yr newer
What differsA4EAH-AZ100
- Bluetooth
- 5.2
- 5.3
- Top codec
- AAC
- LC3
- LE Audio (LC3)
- No
- Yes
- Multipoint pairing
- No
- Yes
- Water resistance
- IP67
- IPX4
Platform
Everyday features
Specifications
A4EAH-AZ100
- Type
- True Wireless
- True Wireless
- Price (USD)
- $130
- $250
- HearWiki score
- 58
- 86
- Released
- 2023
- 2025
- Availability
- Discontinued
- Sold new
- Driver
- balanced armature
- 10 mm dynamic
- Driver type
- balanced-armature
- dynamic
- Driver size
- -
- 10 mm
- Drivers per side
- 1
- 1
- Frequency response
- -
- 20 Hz - 40 kHz
- Impedance
- -
- 16 Ω
- Bluetooth
- 5.2
- 5.3
- Codecs
- SBC, AAC
- SBC, AAC, LC3, LDAC
- Multipoint pairing
- No
- Yes
- Wireless range
- -
- 10 m
- Battery life
- 7 h
- 12 h
- Battery life (ANC on)
- -
- 10 h
- Battery incl. case
- 40 h
- 28 h
- Full charge time
- -
- 120 min
- Quick charge
- -
- 15 min → 1.2 h
- Wireless charging
- -
- Yes
- Active noise cancelling
- Yes
- Yes
- ANC type
- -
- hybrid
- Transparency mode
- -
- Yes
- Companion app
- -
- Yes
- Custom EQ
- -
- Yes
- Wear detection
- -
- Yes
- Controls
- -
- touch
- Voice assistant
- -
- Yes
- Weight
- -
- 11.8 g
- Case weight
- -
- 42 g
- Water resistance
- IP67
- IPX4
- USB-C
- -
- Yes
- Model code
- Mifo Gen 4
- -
- Microphones
- -
- 2
- Microphone type
- -
- MEMS
What reviewers said
Mifo A4
The Mifo A4 true wireless earbuds offer a secure, workout-friendly fit with IP67 water resistance and long total battery life, but their audio performance and noise cancellation fall short of expectations at this price. They are best suited for active users prioritizing durability and runtime over sound quality or effective ANC.
- Pro:Rugged IP67 waterproofing
- Pro:Long battery life with charging case
- Pro:Comfortable and secure fit for exercise
- Con:Sound tuning is not competitive for the price
- Con:Active noise cancellation provides only modest reduction
- Con:Passive isolation is weak
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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