True Wireless
Soundcore Space A40
78Great
$41
Full review dataSoundcore Space A40 vs Tronsmart Onix Free: 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
Tronsmart Onix Free
68Good
$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
Tronsmart Onix Free
Sound6.0
Battery8.0
Calls7.0
Value8.0
Specifications
| Spec | Soundcore Space A40 | Tronsmart Onix Free |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $41 | $25 |
| HearWiki score | 78 / 100 · Great | 68 / 100 · Good |
| Released | 2022 | 2020 |
| Audio | ||
| Driver | dynamic | 6mm PU dynamic drivers |
| Driver size | 10 mm | 6 mm |
| Drivers per side | 2 | - |
| Frequency response | - | 20Hz-20kHz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | - | -42 dB/mW |
| Wireless | ||
| Bluetooth | 5.2 | Qualcomm aptX |
| Bluetooth version | 5.2 | 5.0 |
| Codecs | SBC, AAC, LDAC | SBC, AAC, aptX |
| Multipoint pairing | Yes | No |
| Wireless range | 10 m | 15 m |
| Battery | ||
| Battery life | 10 h | 7 h |
| Battery life (ANC on) | 8 h | - |
| Battery incl. case | 50 h | 35 h |
| Full charge time | - | 60 min |
| Quick charge | 10 min = 4 h | - |
| Wireless charging | Yes | No |
| Features | ||
| Active noise cancelling | Yes | No |
| ANC type | adaptive | none |
| Transparency mode | Yes | - |
| Custom EQ | Yes | - |
| Wear detection | No | - |
| Controls | touch | buttons |
| Design | ||
| Weight | 4.9 g | 4 g |
| Case weight | 48.4 g | 36.2 g |
| Water resistance | IPX4 | IPX7 |
| USB-C | Yes | Yes |
| Model code | - | Onyx Free |
| Calls | ||
| Microphones | 6 | 4 |
| Call noise reduction | - | cVc 8.0 |
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
Tronsmart Onix Free
The Tronsmart Onyx Free are compact true wireless earbuds that prioritize treble and light bass, offering a sound that won't top charts but remains serviceable. They stand out with reliable call quality, physical button controls, and a secure fit that holds up even during sleep, making them a solid budget option for daily commutes or nighttime use. Battery life is a step up from siblings in the same lineup, adding to their practicality.
- Pro:Physical buttons for easy control
- Pro:Good call quality for the price
- Pro:Secure, comfortable fit for long wear or sleep
- Con:Sound signature is treble-focused with weak bass
- Con:Not competitive with best-in-class audio performance
- Con:Plastic build may feel less premium
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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