CCA AZ09
EarFun Air Pro 4
What Buyers Say
CCA AZ09
Users are overwhelmingly positive about these KZ AZ09 Bluetooth adapters, praising their secure fit, excellent sound quality, and long battery life. The adapters are noted for transforming wired IEMs into reliable wireless setups with impressive range and durability. A few minor issues include occasional slippage during sweaty activities and Bluetooth cutouts at low volume with AAC codec, but overall they are considered a great value.
Pros
- Secure and comfortable fit
- Excellent sound quality
- Long battery life (7+ hours)
- Impressive Bluetooth range (100+ yards)
- Reliable quick pairing
Cons
- Occasional slippage with sweat
- Bluetooth cuts out at low volume with AAC codec
- No ANC or audio pass-through
- Minor quirks in voice prompts
EarFun Air Pro 4
The EarFun Air Pro 4 earbuds deliver exceptional value, with users praising their high-end sound quality, effective noise cancellation, and robust battery life. Many reviewers note they outperform far more expensive competitors like AirPods Pro and Sony XM4s, especially after customizing the EQ via the app. A few minor issues include occasional fit adjustments and a quirk with single-bud Bluetooth connectivity, but overall sentiment is overwhelmingly positive.
Pros
- Excellent sound quality with LDAC and aptX Lossless
- Effective active noise cancellation
- Long battery life (11 hours per charge)
- Great value for money
- Comfortable and secure fit
Cons
- Single-bud Bluetooth connectivity quirk
- Occasional fit adjustments needed
- LDAC disables multipoint pairing
- Le Audio not working for some users
Scores
Specifications
| CCA AZ09 | EarFun Air Pro 4 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | ear-hook | true wireless |
| Ear Tips | — | 5 pairs of ear tips |
| Weight | 0.06 kg | 0.05 kg★ |
| Audio | ||
| Driver Type | — | hybrid |
| Driver Size | — | 10 mm★ |
| Drivers | — | 2★ |
| Freq Min | — | 20 Hz★ |
| Freq Max | — | 40 kHz★ |
| Impedance | — | 32 Ω |
| Sensitivity | — | 100 dB★ |
| Hi-Res Audio | — | ✓★ |
| Codecs | AAC | aptX Lossless, LDAC, LC3 |
| Noise Control | ||
| ANC | ✗ | ✓★ |
| ANC Type | — | adaptive hybrid |
| Transparency | — | ✗ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.4★ | 6.0 |
| Profiles | — | A2DP, AVRCP, HFP |
| Multipoint | ✓ | ✓ |
| Wired Connector | — | Bluetooth |
| Earbud Battery | ||
| Battery Life | 6 hrs | 11 hrs★ |
| Charge Time | — | 2 hrs★ |
| Fast Charging | — | 10 min for 2 hours playback |
| Charging | — | USB-C★ |
| Case Battery | ||
| Case Battery | 30 hrs | 54 hrs★ |
| Case Charging | — | USB-C★ |
| Wireless Charging | — | ✓★ |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | — | 6★ |
| NC Mic | — | ✓★ |
| Features | ||
| Voice Assistant | — | Google Assistant |
| Touch Controls | ✗ | ✓★ |
| App | — | EarFun Audio App |
| Gaming Mode | ✓ | ✓ |
| Bone Conduction | ✗ | ✗ |
| Water Resistance | Waterproof | IP55 |
Pros & Cons
CCA AZ09
- Strong connectivity (85th percentile)85th %ile
- Strong comfort (72nd percentile)
- Strong build (71st percentile)
- Strong sound (68th percentile)
- Below average battery (18th percentile)18th %ile
- Below average anc (31st percentile)
EarFun Air Pro 4
- Strong sound (100th percentile)100th %ile
- Strong connectivity (99th percentile)99th %ile
- Strong mic (98th percentile)98th %ile
- Strong user sentiment (97th percentile)97th %ile
Verdict
Scores 86 overall, wins 7 of 7 usage categories and 17 of 37 specs.