
Audio-Technica ATH-CKS50TW2 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.
Score breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Technics EAH-AZ100 leads on 4 of 7 measures.
- Audio-Technica ATH-CKS50TW2
- Technics EAH-AZ100
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?
The Technics EAH-AZ100 is 4 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. The platform is level; the newer hardware shows up in convenience features instead - the Audio-Technica ATH-CKS50TW2 adds Water resistance IP55 against IPX4. For 4 years between them, that is a thin return - treat this as a restyle rather than a new platform.
- ATH-CKS50TW22021
- EAH-AZ10020254 yr newer
- Water resistance
- IP55
- IPX4
Everyday features
Level on: Bluetooth, Top codec, LE Audio (LC3), ANC type, Multipoint pairing, Wireless charging, USB-C, Wear detection, Transparency mode, Custom EQ, Companion app.
Specifications
- Type
- True Wireless
- True Wireless
- Price (USD)
- $160
- $250
- HearWiki score
- 77
- 86
- Released
- 2021
- 2025
- Availability
- Still sold new
- Sold new
- Driver
- 9 mm dynamic
- 10 mm dynamic
- Driver type
- dynamic
- dynamic
- Driver size
- 9 mm
- 10 mm
- Drivers per side
- 1
- 1
- Frequency response
- 5 Hz - 20 kHz
- 20 Hz - 40 kHz
- Impedance
- 20 Ω
- 16 Ω
- Sensitivity
- 110 dB/mW
- -
- Bluetooth
- 5.3
- 5.3
- Codecs
- SBC, AAC, LC3
- SBC, AAC, LC3, LDAC
- Multipoint pairing
- Yes
- Yes
- Wireless range
- 10 m
- 10 m
- Battery life
- 25 h
- 12 h
- Battery life (ANC on)
- 15 h
- 10 h
- Battery incl. case
- 65 h
- 28 h
- Full charge time
- 150 min
- 120 min
- Quick charge
- 5 min → 1.5 h
- 15 min → 1.2 h
- Wireless charging
- Yes
- Yes
- Active noise cancelling
- Yes
- Yes
- ANC type
- hybrid
- hybrid
- Transparency mode
- Yes
- Yes
- Companion app
- Yes
- Yes
- Custom EQ
- Yes
- Yes
- Wear detection
- Yes
- Yes
- Controls
- both
- touch
- Voice assistant
- Google Assistant, Siri
- Yes
- Weight
- 7.2 g
- 11.8 g
- Case weight
- 51.5 g
- 42 g
- Water resistance
- IP55
- IPX4
- USB-C
- Yes
- Yes
- Microphones
- 2
- 2
- Microphone type
- MEMS
- MEMS
- Mic sensitivity
- -38 dBV
- -
What reviewers said
Audio-Technica ATH-CKS50TW2
The Audio-Technica ATH-CKS50TW2 are wireless earbuds built for marathon listening sessions, offering a claimed 25 hours of playback with ANC active and up to 65 hours with the charging case. They combine robust hybrid noise cancellation, a punchy 9mm driver sound profile, and IP55-rated durability, making them a strong all-rounder for daily use. With Bluetooth 5.3, multipoint connectivity, and wireless charging support, they pack a versatile feature set into a compact, water-resistant design.
- Pro:Exceptional battery endurance, including with ANC enabled
- Pro:Effective hybrid noise cancellation for the price
- Pro:Sturdy IP55 water and dust resistance
- Con:Bulky earbud design may not suit all ears
- Con:ANC performance is good but not class-leading
- Con:Microphone quality is decent but not outstanding
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.
Compare something else
Swap either side out, or start again from the picker.
