True Wireless
Soundcore Space A40
78Great
$41
Full review dataSoundcore Space A40 vs UGREEN CM338 TWS: which should you buy?
On aggregated review scores the Soundcore Space A40 comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Soundcore Space A40 - Great overall at around $41.
True Wireless
UGREEN CM338 TWS
62Average
$25
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Soundcore Space A40
Sound7.5
Noise cancelling8.5
Battery7.0
Calls7.0
Value8.0
UGREEN CM338 TWS
Sound7.0
Battery4.0
Calls5.0
Value7.0
Specifications
| Spec | Soundcore Space A40 | UGREEN CM338 TWS |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $41 | $25 |
| HearWiki score | 78 / 100 · Great | 62 / 100 · Average |
| Released | 2022 | 2020 |
| Audio | ||
| Driver | dynamic | dynamic |
| Driver size | 10 mm | - |
| Drivers per side | 2 | 2 |
| Frequency response | - | 20Hz-20kHz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | - | 91 dB/mW |
| Wireless | ||
| Bluetooth | 5.2 | 5.0 |
| Bluetooth version | 5.2 | 5.0 |
| Codecs | SBC, AAC, LDAC | SBC, AAC |
| Multipoint pairing | Yes | No |
| Wireless range | 10 m | 10 m |
| Battery | ||
| Battery life | 10 h | 3 h |
| Battery life (ANC on) | 8 h | - |
| Battery incl. case | 50 h | - |
| Full charge time | - | 60 min |
| Quick charge | 10 min = 4 h | - |
| Wireless charging | Yes | No |
| Features | ||
| Active noise cancelling | Yes | - |
| ANC type | adaptive | - |
| Transparency mode | Yes | - |
| Custom EQ | Yes | - |
| Wear detection | No | - |
| Controls | touch | touch |
| Design | ||
| Weight | 4.9 g | - |
| Case weight | 48.4 g | - |
| Water resistance | IPX4 | IPX4 |
| USB-C | Yes | - |
| Calls | ||
| Microphones | 6 | 1 |
What reviewers said
Soundcore Space A40
The Soundcore Space A40 earbuds deliver a well-rounded budget experience, combining effective adaptive noise cancellation, balanced audio, and long battery life with multipoint connectivity. They offer strong value at around $100, with a comfortable fit and support for LDAC, though a few ergonomic and performance quirks keep them from being flawless.
- Pro:Effective adaptive ANC for the price
- Pro:Balanced, pleasant sound with LDAC support
- Pro:Long battery life with wireless charging case
- Con:Microphone quality is mediocre
- Con:Touch controls can be inconsistent
- Con:Case hinge feels less sturdy
UGREEN CM338 TWS
The UGREEN CM338 TWS offers a compact charging case and enjoyable audio at a budget-friendly price. While its sound quality is a standout for the cost, it falls short in call clarity, pairing reliability, and video sync, making it a decent but not flawless pick for everyday use.
- Pro:Compact and portable case
- Pro:Pleasant sound signature for the price
- Pro:Affordable price point
- Con:Mediocre call quality
- Con:Pairing can be finicky
- Con:Noticeable audio lag during video playback
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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