Linsoul Kefine Klean
EarFun Air Pro 4+
What Buyers Say
Linsoul Kefine Klean
The Kefine Klean IEMs receive mostly positive feedback for their excellent build quality, comfortable fit, and clear, well-balanced sound. Many users highlight the great value for the price, especially for gaming and music. However, a significant recurring issue is channel imbalance, where one side becomes quiet after extended use, leading to some negative reviews and returns.
Pros
- Excellent build quality
- Comfortable fit for long sessions
- Clear and balanced sound
- Great value for the price
- Good for gaming
Cons
- Channel imbalance after extended use
- Treble can be harsh for some
- Bass quality just above average
- Cable may be too short for some
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
| Linsoul Kefine Klean | EarFun Air Pro 4+ | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | In-ear | true wireless |
| Ear Tips | l | s |
| Weight | 0.19 kg | 0.05 kg★ |
| Audio | ||
| Driver Type | dynamic | hybrid |
| Driver Size | 10 mm | 10 mm |
| Drivers | 1 | 2★ |
| Freq Min | 20 Hz | 20 Hz |
| Freq Max | 20 kHz | 40 kHz★ |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 107 dB★ | 100 dB |
| Hi-Res Audio | — | ✓★ |
| Codecs | Linsoul Kefine Klean in Ear Monitor,10mm DLC Diaphragm Dynamic Driver HiFi Earphones,Wired Gaming Earbuds,Replaceable Nozzles,Detachable Silver-Plated Cable for Audiophile (No Mic 3.5mm, Black) | aptX Lossless, LDAC, LE Audio, 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 | — | 12 hrs★ |
| Charge Time | — | 2 hrs★ |
| Fast Charging | — | 10 min for 2 hours playback |
| Charging | proprietary | 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
Linsoul Kefine Klean
- Strong social proof (81st percentile)81st %ile
- Strong anc (74th percentile)
- Strong comfort (73rd percentile)
- Strong sound (65th percentile)
- Below average mic (12th percentile)12th %ile
- Below average user sentiment (32nd percentile)
- Below average build (34th percentile)
EarFun Air Pro 4+
- Strong sound (100th percentile)100th %ile
- Strong connectivity (99th percentile)99th %ile
- Strong mic (98th percentile)98th %ile
- Strong anc (97th percentile)97th %ile
Pricing
EarFun Air Pro 4+ offers 2.1x better value for money
Verdict
Scores 88 overall, wins 7 of 7 usage categories and 16 of 37 specs.
