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
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
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 (78th 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.