Promise A12
Technics EAH-AZ100
What Buyers Say
Promise A12
The product receives mixed feedback. Many users praise the battery life, dual charging options, and comfort, but a significant number report issues like a recurring Bluetooth disconnect loop, lack of a microphone, and one unit failing completely within a month. Customer support is also criticized as inaccessible.
Pros
- Long battery life
- Dual charging options
- Comfortable fit
- Good sound quality
- Easy to connect and pair
Cons
- Recurring Bluetooth disconnect loop
- No microphone (playback only)
- Unit failed completely within a month
- Inaccessible customer support
- Earbuds not retractable as expected
Technics EAH-AZ100
Users are overwhelmingly positive about the Technics EAH-AZ100 earbuds, praising the exceptional sound quality, especially with LDAC and Dolby Atmos, and the surprisingly effective AI-powered call noise cancellation that blocks out background noise like screaming kids or car washes. Comfort, customization via the app, and solid battery life are also highlighted. The only potential downside mentioned is the high price, but most feel the premium features justify the cost.
Pros
- Exceptional sound quality with LDAC
- AI-powered call noise cancellation
- Comfortable fit for long wear
- Customizable EQ via app
- Solid battery life
Cons
- High price point
- ANC slightly weaker than AZ80
Scores
Specifications
| Promise A12 | Technics EAH-AZ100 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | neckband | true wireless |
| Ear Tips | — | 5 x Eartip Pairs |
| Weight | 0.18 kg | 0.05 kg★ |
| Audio | ||
| Driver Type | — | dynamic |
| Driver Size | — | 10 mm★ |
| Drivers | — | 1★ |
| Freq Min | — | 20 Hz★ |
| Freq Max | — | 40 kHz★ |
| Impedance | — | 16 Ω |
| Hi-Res Audio | — | ✓★ |
| Codecs | Promise A12 Neckband Bluetooth 5.4 Earbuds – Wireless Headphones with Built-in Type-C OTG Connector, 60H Playtime, Fast Charging, Noise Cancelling, Magnetic & Lightweight Around-The-Neck Fit (Gold) | AAC, LC3, LDAC, SBC |
| Surround | — | Dolby Atmos |
| Noise Control | ||
| ANC | ✗ | ✓★ |
| ANC Type | — | adaptive |
| Transparency | — | ✓★ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.4★ | 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 hrs★ | 2.5 hrs |
| Fast Charging | — | 15 min. for 90 min. playback |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | 60 hrs★ | 28 hrs |
| Case Charging | USB-C | 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
Promise A12
- Strong battery (79th percentile)
- Strong comfort (72nd percentile)
- Strong mic (67th percentile)
- Below average user sentiment (9th percentile)9th %ile
- Below average sound (29th percentile)
- Below average anc (31st percentile)
- Below average build (34th percentile)
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
Verdict
Scores 100 overall, wins 7 of 7 usage categories and 14 of 39 specs.