Technics EAH-AZ100
Csasan J90 Pro
What Buyers Say
Technics EAH-AZ100
The Technics EAH-AZ100 earbuds are overwhelmingly praised for their exceptional sound quality, with users highlighting deep bass, clear highs, and immersive audio. Comfort, battery life, and noise cancellation are also frequently commended, though some users note the price is high and volume could be louder. A few minor issues like Bluetooth LE disconnects and initial multi-device pairing were mentioned, but overall sentiment is very positive.
Pros
- Exceptional sound quality
- Deep immersive bass
- Effective noise cancellation
- Comfortable fit
- Excellent battery life
Cons
- High price point
- Limited maximum volume
- Bluetooth LE disconnects
- Initial multi-device pairing issues
- Plastic exterior
Csasan J90 Pro
The J90 Pro earbuds receive mostly positive feedback for their sound quality, battery life, and comfort, with many users praising the AI translation feature as a helpful tool for travel and language learning. However, several reviews highlight significant issues with the translation app, including slow performance, forced language selection, and unreliable real-time conversation support. While the earbuds excel as audio devices, the translation functionality is inconsistent and may not meet expectations for seamless communication.
Pros
- Excellent sound quality with deep bass
- Long battery life (up to 40 hours)
- Comfortable fit for extended use
- Fast Bluetooth 5.3 connection
- Good value for the price
Cons
- Translation app is slow and unreliable
- Forced language selection in free talk mode
- Real-time translation cannot keep up with conversation
- Microphone quality is poor for phone calls
- Requires data connection for translation
Scores
Specifications
| Technics EAH-AZ100 | Csasan J90 Pro | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | true wireless |
| Ear Tips | 5 x Eartip Pairs | S, M, L |
| Weight | 0.05 kg★ | 0.10 kg |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 10 mm | 13 mm★ |
| Drivers | 1★ | — |
| Freq Min | 20 Hz★ | — |
| Freq Max | 40 kHz★ | — |
| Impedance | 16 Ω | — |
| Hi-Res Audio | ✓★ | — |
| Codecs | AAC, LC3, LDAC, SBC | AAC |
| Surround | Dolby Atmos | — |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | adaptive | — |
| Transparency | ✓★ | — |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.3 | 5.3 |
| Profiles | AVRCP, A2DP, HSP, HFP, TMAP, PBP | — |
| Multipoint | ✓★ | — |
| Wired Connector | Bluetooth | — |
| Range | 10 m★ | — |
| Earbud Battery | ||
| Battery Life | 8 hrs | 8 hrs |
| Charge Time | 2.5 hrs | 1.5 hrs★ |
| Fast Charging | 15 min. for 90 min. playback | — |
| Charging | USB-C★ | — |
| Case Battery | ||
| Case Battery | 28 hrs | 40 hrs★ |
| Case Charging | USB-C★ | — |
| Wireless Charging | ✓★ | — |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 6★ | 2 |
| NC Mic | ✓ | ✓ |
| Features | ||
| Voice Assistant | Google Assistant, Siri | — |
| Touch Controls | ✓ | ✓ |
| App | Android & iOS | Ear Dance |
| Volume Limiting | ✗ | — |
| Gaming Mode | ✗ | — |
| Bone Conduction | ✗ | — |
| Water Resistance | IPX4 | IPX7 |
Pros & Cons
Technics EAH-AZ100
- Strong connectivity (100th percentile)100th %ile
- Strong sound (99th percentile)99th %ile
- Strong mic (98th percentile)98th %ile
- Strong anc (97th percentile)97th %ile
Csasan J90 Pro
- Strong mic (82nd percentile)82nd %ile
- Strong social proof (81st percentile)81st %ile
- Strong connectivity (79th percentile)
- Strong sound (75th percentile)
- Below average build (34th percentile)
Pricing
Csasan J90 Pro offers 7.0x better value for money
Verdict
Scores 100 overall, wins 7 of 7 usage categories and 12 of 39 specs.
