CMF Buds 2 vs EarFun Air Pro 4: which should you buy?
On aggregated review scores the EarFun Air Pro 4 comes out ahead with an HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Score breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Specifications
| Spec | CMF Buds 2 | EarFun Air Pro 4 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $46 | $88 |
| HearWiki score | 78 / 100 · Great | 82 / 100 · Great |
| Released | 2025 | 2024 |
| Audio | ||
| Driver | dynamic | dynamic |
| Driver size | 11 mm | 10 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 20Hz-20kHz | 20 Hz - 20,000 Hz |
| Impedance | - | 32 Ω |
| Sensitivity | - | 106.3 dB/mW |
| Wireless | ||
| Bluetooth | 5.4 | 5.4 |
| Bluetooth version | 5.4 | 5.4 |
| Codecs | AAC, SBC | SBC, AAC, aptX, aptX Adaptive, aptX Lossless, LDAC |
| Multipoint pairing | Yes | Yes |
| Latency | - | 50 ms |
| Wireless range | 10 m | 15 m |
| Battery | ||
| Battery life | 13.5 h | 11 h |
| Battery life (ANC on) | 7.5 h | 7.5 h |
| Battery incl. case | 55 h | 52 h |
| Full charge time | 93 min | 120 min |
| Quick charge | 10 min = 4 h (ANC off) | 10 min = 2 h |
| Wireless charging | No | Yes |
| Features | ||
| Active noise cancelling | Yes | Yes |
| ANC type | hybrid | adaptive |
| Transparency mode | Yes | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | Yes | Yes |
| Controls | touch | touch |
| Voice assistant | Google Fast Pair, Microsoft Swift Pair | Google Fast Pair / voice assistant support |
| Design | ||
| Weight | 50.5 g | 10 g |
| Case weight | 41.5 g | - |
| Water resistance | IP55 | IPX5 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 6 | 6 |
| Call noise reduction | - | cVc 8.0 |
What reviewers said
CMF Buds 2
The CMF Buds 2 are a budget-friendly true wireless pair that deliver punchy, bass-forward sound with a lively treble, making them engaging for music lovers. They pack a surprisingly rich feature set for the price, including hybrid ANC, transparency mode, multipoint connectivity, and long battery life, though call quality in noisy settings and limited codec support hold them back slightly. Overall, they're a strong value pick for those prioritizing fun audio and versatile features over premium extras.
- Pro:Punchy, bass-heavy sound with lively treble
- Pro:Excellent battery life with case (55 hours total)
- Pro:Hybrid ANC and transparency mode for the price
- Con:Only AAC and SBC codecs, no LDAC or Hi-Res support
- Con:ANC is decent but not class-leading
- Con:Call quality suffers in loud environments
EarFun Air Pro 4
The EarFun Air Pro 4 delivers a compelling mix of premium features and solid performance at a budget-friendly price point. With hybrid active noise cancellation, robust battery life, and extensive codec support including LDAC, these earbuds punch well above their weight class. They offer comfortable fit, clear call quality, and a balanced sound profile that makes them a standout value in the under-$100 category.
- Pro:Excellent value for the price
- Pro:Strong hybrid ANC performance
- Pro:Good sound quality with LDAC support
- Con:Average battery life per charge
- Con:Touch controls can be finicky
- Con:Not the most detailed soundstage
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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