True Wireless
Nothing CMF Buds 2a
78Great
$42
Full review dataNothing CMF Buds 2a vs Tronsmart Spunky Beat: which should you buy?
On aggregated review scores the Nothing CMF Buds 2a comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Nothing CMF Buds 2a - Great overall at around $42.
True Wireless
Tronsmart Spunky Beat
68Good
$25
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Nothing CMF Buds 2a
Sound8.0
Noise cancelling7.5
Battery7.0
Calls6.5
Value9.0
Tronsmart Spunky Beat
Sound7.0
Battery6.0
Calls6.0
Value8.0
Specifications
| Spec | Nothing CMF Buds 2a | Tronsmart Spunky Beat |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $42 | $25 |
| HearWiki score | 78 / 100 · Great | 68 / 100 · Good |
| Released | 2024 | 2019 |
| Audio | ||
| Driver | 12.4mm Bio-fibre | dynamic |
| Driver size | 12.4 mm | 6 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 20Hz-20kHz | 20Hz-20kHz |
| Impedance | - | 16 Ω |
| Wireless | ||
| Bluetooth | 5.4 | 5.0 |
| Bluetooth version | 5.4 | 5.0 |
| Codecs | AAC, SBC | SBC, AAC, aptX |
| Multipoint pairing | Yes | No |
| Wireless range | - | 15 m |
| Battery | ||
| Battery life | 8 h | 7 h |
| Battery life (ANC on) | 5 h | - |
| Battery incl. case | 35.5 h | 24 h |
| Full charge time | 89 min | 50 min |
| Quick charge | 10 min = 5.5 h | - |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | - |
| ANC type | feedforward | feedforward |
| Transparency mode | Yes | No |
| Companion app | Yes | No |
| Custom EQ | Yes | No |
| Wear detection | No | No |
| Controls | touch | touch |
| Voice assistant | Yes | voice assistant supported |
| Design | ||
| Weight | 4.28 g | 3.7 g |
| Case weight | 42.75 g | 47 g |
| Water resistance | IP54 | IPX5 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 4 | 2 |
| Call noise reduction | - | cVc 8.0 |
What reviewers said
Nothing CMF Buds 2a
The Nothing CMF Buds 2a deliver a compelling mix of solid audio performance, adaptive noise cancellation, and long battery life at a very accessible price point. They are a practical pick for budget-conscious listeners who want reliable everyday earbuds with app-based customization, though they come with some expected trade-offs in materials and features.
- Pro:Strong value for the price
- Pro:Adaptive ANC with 42 dB reduction
- Pro:Good battery life with case
- Con:Plasticky build quality
- Con:No in-ear detection
- Con:Limited codec support (AAC, SBC)
Tronsmart Spunky Beat
The Tronsmart Spunky Beat offers a compelling budget-friendly true wireless experience with a compact, comfortable fit and a handy charging case. Its sound leans towards a punchy, bass-forward profile that many will enjoy, though it struggles with harshness at higher volumes and touch controls that can be finicky. Overall, it's a solid value pick for bass lovers on a tight budget, despite a few usability quirks.
- Pro:Compact and comfortable earpieces
- Pro:Punchy, thumping bass response
- Pro:Solid battery life with the charging case
- Con:Touch controls can be cumbersome to use
- Con:Sound gets harsh at higher volume levels
- Con:No app support or EQ adjustments
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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