True Wireless
Bomaker Sifi II
68Good
$40
Full review dataBomaker Sifi II vs Soundcore Space A40: 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
Soundcore Space A40
78Great
$41
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Bomaker Sifi II
Sound6.5
Battery7.5
Calls5.0
Value8.0
Soundcore Space A40
Sound7.5
Noise cancelling8.5
Battery7.0
Calls7.0
Value8.0
Specifications
| Spec | Bomaker Sifi II | Soundcore Space A40 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $40 | $41 |
| HearWiki score | 68 / 100 · Good | 78 / 100 · Great |
| Released | 2020 | 2022 |
| Audio | ||
| Driver | dynamic | dynamic |
| Driver size | 6 mm | 10 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 20Hz-20kHz | - |
| Impedance | 6 Ω | 16 Ω |
| Wireless | ||
| Bluetooth | 5.0 | 5.2 |
| Bluetooth version | 5.0 | 5.2 |
| Codecs | AAC, SBC | SBC, AAC, LDAC |
| Multipoint pairing | No | Yes |
| Wireless range | - | 10 m |
| Battery | ||
| Battery life | 6.5 h | 10 h |
| Battery life (ANC on) | - | 8 h |
| Battery incl. case | 30 h | 50 h |
| Quick charge | 10 min = 1 h | 10 min = 4 h |
| Wireless charging | No | Yes |
| Features | ||
| Active noise cancelling | No | Yes |
| ANC type | - | adaptive |
| Transparency mode | - | Yes |
| Custom EQ | - | Yes |
| Wear detection | - | No |
| Controls | - | touch |
| Design | ||
| Weight | 4.54 g | 4.9 g |
| Case weight | - | 48.4 g |
| Water resistance | IPX7 | IPX4 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 2 | 6 |
| Call noise reduction | DSP noise cancellation | - |
What reviewers said
Bomaker Sifi II
The Bomaker Sifi II is a budget-friendly true wireless earbud that delivers strong value with its long battery life and reliable Bluetooth connectivity. Its sound signature leans toward modern pop and dance genres, making it a fun listen, though call quality and video playback on iPhones fall short of expectations. With IPX7 waterproofing and quick charging, it's a practical daily companion for casual listeners.
- Pro:Long battery life with charging case
- Pro:Solid Bluetooth 5.0 connectivity
- Pro:IPX7 water resistance for workouts
- Con:Call quality is mediocre
- Con:Video playback on iPhone has noticeable lag
- Con:Sound lacks refinement for critical listening
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
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
Compare something else
Swap either side out, or start again from the picker.