True Wireless
Coumi C34
Not yet scored
$190
Full review dataCoumi C34 vs Technics EAH-AZ100: which should you buy?
Specs, scores and condensed review verdicts for the Coumi C34 vs Technics EAH-AZ100, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
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.
- Coumi C34
- Technics EAH-AZ100
HearWiki score
-
86
Sound
-
9.2
Noise cancelling
-
8.6
Battery
-
8.7
Calls
-
7.8
Value
-
8.1
Price (USD)
$190
$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?
Half a step newer
Technics EAH-AZ100 (2025) against Coumi C34 (2024). The Technics EAH-AZ100 edges ahead on platform, but only just: Bluetooth 5.3 against 5.0.
- C342024
- EAH-AZ10020251 yr newer
What differsC34EAH-AZ100
- Bluetooth
- 5.0
- 5.3
Platform
Specifications
C34EAH-AZ100
- Type
- True Wireless
- True Wireless
- Price (USD)
- $190
- $250
- HearWiki score
- Not scored
- 86
- Released
- 2024
- 2025
- Availability
- Discontinued
- Sold new
- Driver
- -
- 10 mm dynamic
- Driver type
- -
- dynamic
- Driver size
- -
- 10 mm
- Drivers per side
- -
- 1
- Frequency response
- -
- 20 Hz - 40 kHz
- Impedance
- -
- 16 Ω
- Bluetooth
- 5.0
- 5.3
- Codecs
- -
- SBC, AAC, LC3, LDAC
- Multipoint pairing
- -
- Yes
- Wireless range
- -
- 10 m
- Battery life
- 5 h
- 12 h
- Battery life (ANC on)
- -
- 10 h
- Battery incl. case
- -
- 28 h
- Full charge time
- -
- 120 min
- Quick charge
- -
- 15 min → 1.2 h
- Wireless charging
- -
- Yes
- Active noise cancelling
- -
- 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
- -
- IPX4
- USB-C
- -
- Yes
- Model code
- COUMI TWS-834A
- -
- Microphones
- -
- 2
- Microphone type
- -
- MEMS
What reviewers said
Coumi C34
These true wireless earbuds deliver a compact listening experience with Bluetooth 5.0 and roughly five hours of playback per charge. They offer touch controls, app-based sound adjustments, and quick pairing for convenience. The included case extends total listening time significantly, making them a versatile daily option.
- Pro:Compact true wireless design
- Pro:Touch controls for easy operation
- Pro:App-based sound customization
- Con:Modest single-charge battery life
- Con:No mention of active noise cancellation
- Con:Limited to Bluetooth 5.0 standard
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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