TRUTHEAR Zero Zero:BLUE2
EarFun Air Pro 4
What Buyers Say
TRUTHEAR Zero Zero:BLUE2
The Truthear x Crinacle Zero: Blue2 IEMs receive overwhelmingly positive feedback for their engaging V-shaped sound signature with warm bass and detailed treble. Users praise the excellent value for money, noting they compete with IEMs costing much more, though some find the bulky housing and ear hook fit uncomfortable for smaller ears. A few reviewers mention occasional distortion on certain tracks and note that the included bass adapter can help mitigate this.
Pros
- Engaging V-shaped sound signature
- Excellent value for money
- Warm bass with good detail
- Detailed treble without sibilance
- Good instrument separation
Cons
- Bulky housing for small ears
- Uncomfortable ear hook fit
- Occasional distortion on some tracks
- Lacks clarity compared to higher-end IEMs
- Ear tips may not fit everyone
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
| TRUTHEAR Zero Zero:BLUE2 | EarFun Air Pro 4 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | — | true wireless |
| Ear Tips | S, M, L | 5 pairs of ear tips |
| Weight | 0.26 kg | 0.05 kg★ |
| Audio | ||
| Driver Type | dynamic | hybrid |
| Driver Size | 10 mm | 10 mm |
| Drivers | 2 | 2 |
| Freq Min | 9 Hz★ | 20 Hz |
| Freq Max | 41 kHz★ | 20 kHz |
| Impedance | 5.800000190734863 Ω | 32 Ω |
| Sensitivity | 119.5 dB★ | 100 dB |
| Hi-Res Audio | — | ✓★ |
| Codecs | — | aptX Lossless, LDAC, LC3 |
| Noise Control | ||
| ANC | — | ✓★ |
| ANC Type | — | adaptive hybrid |
| Transparency | — | ✗ |
| Connectivity | ||
| Wireless | — | ✓★ |
| Bluetooth | — | 6.0 |
| Profiles | — | A2DP, AVRCP, HFP |
| Multipoint | — | ✓★ |
| Wired Connector | 3.5mm | Bluetooth |
| Earbud Battery | ||
| Battery Life | — | 11 hrs★ |
| Charge Time | — | 2 hrs★ |
| Fast Charging | — | 10 min for 2 hours playback |
| Charging | — | USB-C★ |
| Case Battery | ||
| Case Battery | — | 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 | — | IP55 |
Pros & Cons
TRUTHEAR Zero Zero:BLUE2
- Strong sound (86th percentile)86th %ile
- Strong social proof (82nd percentile)82nd %ile
- Strong user sentiment (67th percentile)
- Below average comfort (29th percentile)
- Below average anc (31st percentile)
- Below average build (34th percentile)
- Below average connectivity (34th percentile)
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
Pricing
EarFun Air Pro 4 offers 2.1x better value for money
Verdict
Scores 85 overall, wins 7 of 7 usage categories and 15 of 37 specs.
