CMF BY NOTHING Buds Pro 2 B172
EarFun Air Pro 4
What Buyers Say
CMF BY NOTHING Buds Pro 2 B172
The CMF Buds 2 Pro are widely praised for their exceptional sound quality and value for money, with many users comparing them favorably to more expensive competitors. The dual-driver design delivers clear highs and deep bass, while the Nothing app offers extensive customization. However, a few users report durability issues, with one noting the buds became unusable after five months. Build quality is described as decent but not premium, though this helps keep the weight low.
Pros
- Exceptional sound quality for the price
- Dual-driver design for clear highs and deep bass
- Extensive customization via Nothing app
- Comfortable fit with soft ear tips
- Good noise canceling and transparency mode
Cons
- Build quality feels slightly cheap (plastic)
- Durability concerns (unusable after 5 months reported)
- Case dial can trigger accidentally in pocket
- Firmware update required out of the box
- No 10-band EQ in app
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
| CMF BY NOTHING Buds Pro 2 B172 | EarFun Air Pro 4 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | true wireless |
| Ear Tips | S | 5 pairs of ear tips |
| Weight | 0.10 kg | 0.05 kg★ |
| Audio | ||
| Driver Type | dynamic | hybrid |
| Driver Size | 11 mm★ | 10 mm |
| Drivers | 2 | 2 |
| Freq Min | — | 20 Hz★ |
| Freq Max | 5 kHz | 20 kHz★ |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 50 dB | 100 dB★ |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | LDAC | aptX Lossless, LDAC, LC3 |
| Surround | Fast Charging, Noise Cancellation, Surround Sound, Touch Control | — |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | adaptive hybrid | adaptive hybrid |
| Transparency | ✓★ | ✗ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.3★ | 6.0 |
| Profiles | A2DP, AVRCP, HFP | A2DP, AVRCP, HFP |
| Multipoint | ✓ | ✓ |
| Wired Connector | Bluetooth | Bluetooth |
| Earbud Battery | ||
| Battery Life | 10 hrs | 11 hrs★ |
| Charge Time | 0.17000000178813934 hrs★ | 2 hrs |
| Fast Charging | 10 min for 3 hours playback | 10 min for 2 hours playback |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | 43 hrs | 54 hrs★ |
| Case Charging | USB-C | USB-C |
| Wireless Charging | ✓ | ✓ |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 6 | 6 |
| NC Mic | ✓ | ✓ |
| Features | ||
| Voice Assistant | voice assistant | Google Assistant |
| Touch Controls | ✓ | ✓ |
| App | Nothing X | EarFun Audio App |
| Gaming Mode | ✓ | ✓ |
| Bone Conduction | ✗ | ✗ |
| Water Resistance | IP55 | IP55 |
Pros & Cons
CMF BY NOTHING Buds Pro 2 B172
- Strong connectivity (99th percentile)99th %ile
- Strong mic (98th percentile)98th %ile
- Strong anc (97th percentile)97th %ile
- Strong build (91st percentile)91st %ile
EarFun Air Pro 4
- Strong sound (99th percentile)99th %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 1 of 7 usage categories and 6 of 38 specs.