Technics EAH-AZ100
KZ ZST
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
KZ ZST
The KZ ZST in-ear monitors deliver exceptional sound quality for their low price, with many users comparing them favorably to far more expensive models from brands like Shure and Beats. While the build quality of the cable and mic housing feels cheap, the audio performance—featuring strong bass, clear mids, and crisp highs—consistently impresses. They are popular among musicians for live monitoring and are praised for their comfort and secure fit during workouts. The main drawbacks are the flimsy cable, lack of volume control on the inline remote, and the need for a very firm connection to prevent the cable from detaching.
Pros
- Exceptional sound quality for the price
- Strong bass with clear mids and highs
- Comfortable and secure fit
- Great for live monitoring and music
- Removable and replaceable cables
Cons
- Cheap-feeling cable and mic housing
- No volume control on inline remote
- Cable can detach if not firmly connected
- Requires very firm connection to stay in place
- Noise isolation could be better with stock tips
Scores
Specifications
| Technics EAH-AZ100 | KZ ZST | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | in-ear |
| Ear Tips | 5 x Eartip Pairs | S, M, L |
| Weight | 0.05 kg★ | 0.06 kg |
| Audio | ||
| Driver Type | dynamic | hybrid |
| Driver Size | 10 mm★ | — |
| Drivers | 1 | 2★ |
| Freq Min | 20 Hz | 20 Hz |
| Freq Max | 40 kHz★ | 20 kHz |
| Impedance | 16 Ω | 18 Ω |
| Sensitivity | — | 120 dB★ |
| Hi-Res Audio | ✓★ | — |
| Codecs | AAC, LC3, LDAC, SBC | — |
| Surround | Dolby Atmos | — |
| Noise Control | ||
| ANC | ✓★ | — |
| ANC Type | adaptive | — |
| Transparency | ✓★ | — |
| Connectivity | ||
| Wireless | ✓★ | ✗ |
| Bluetooth | 5.3★ | — |
| Profiles | AVRCP, A2DP, HSP, HFP, TMAP, PBP | — |
| Multipoint | ✓★ | — |
| Wired Connector | Bluetooth | — |
| Range | 10 m★ | — |
| Earbud Battery | ||
| Battery Life | 8 hrs★ | — |
| Charge Time | 2.5 hrs★ | — |
| Fast Charging | 15 min. for 90 min. playback | — |
| Charging | USB-C★ | — |
| Case Battery | ||
| Case Battery | 28 hrs★ | — |
| Case Charging | USB-C★ | — |
| Wireless Charging | ✓★ | — |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 6★ | — |
| NC Mic | ✓★ | — |
| Features | ||
| Voice Assistant | Google Assistant, Siri | — |
| Touch Controls | ✓★ | — |
| App | Android & iOS | — |
| Volume Limiting | ✗ | — |
| Gaming Mode | ✗ | ✓★ |
| Bone Conduction | ✗ | — |
| Water Resistance | IPX4 | — |
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
KZ ZST
- Strong social proof (96th percentile)96th %ile
- Strong sound (87th percentile)87th %ile
- Strong user sentiment (81st percentile)81st %ile
- Strong comfort (72nd percentile)
- Below average connectivity (28th percentile)
- Below average anc (31st percentile)
- Below average build (34th percentile)
Pricing
KZ ZST offers 5.3x better value for money
Verdict
Scores 100 overall, wins 7 of 7 usage categories and 19 of 40 specs.
