Sony LinkBuds S vs Anker Soundcore Space A40
The Verdict
Sony LinkBuds S command a premium price largely through superior sound quality via LDAC hi-res audio and Sony's Integrated Processor V1 chip, delivering more refined treble and detail. Anker Soundcore Space A40 undercuts at $79 with impressive value, offering 10-hour ANC battery life versus Sony's 6 hours, larger 10mm drivers for bass-forward sound, and HearID personalization. Both feature multipoint Bluetooth 5.2, IPX4 rating, and wireless charging. Sony excels in audio fidelity, lightweight design (4.8g), and Speak-to-Chat convenience, while Anker dominates battery endurance and customization options. For audiophiles prioritizing pristine wireless audio quality, Sony wins decisively. Budget-conscious users seeking practical daily drivers with longer battery should choose Anker. Sony's premium positioning suits serious listeners; Anker's value proposition appeals to mainstream consumers.
Who Should Buy
Buy the Sony LinkBuds S if…
- →Extremely compact and lightweight — barely noticeable when worn
- →LDAC hi-res audio support at a sub-$200 price
- →Solid ANC performance for such a small form factor
Buy the Anker Soundcore Space A40 if…
- →Incredible value at $79 with ANC, LDAC, multipoint, and wireless charging
- →50-hour total battery with case is best-in-class for true wireless
- →LDAC codec supports high-resolution audio streaming
Category Scores
Pros & Cons
Sony LinkBuds S
Pros
- Extremely compact and lightweight — barely noticeable when worn
- LDAC hi-res audio support at a sub-$200 price
- Solid ANC performance for such a small form factor
- Multipoint Bluetooth and Bluetooth LE Audio support
- Speak-to-Chat and Adaptive Sound Control are genuinely useful
Cons
- Smaller driver means less bass depth than larger rivals
- ANC is good but not as powerful as Sony WH-1000XM5 or WF-1000XM5
- IPX4 only — not suitable for heavy sweat or rain
- Small ear tips may not seal well for all ear shapes
Anker Soundcore Space A40
Pros
- Incredible value at $79 with ANC, LDAC, multipoint, and wireless charging
- 50-hour total battery with case is best-in-class for true wireless
- LDAC codec supports high-resolution audio streaming
- HearID creates personalized sound profiles based on hearing test
- Compact and lightweight for a secure, comfortable fit
Cons
- ANC is decent but not competitive with Sony or Bose flagships
- Call quality can be inconsistent in noisy environments
- IPX4 rating is basic splash resistance only
- Touch controls are sometimes unresponsive
- Bass can be slightly muddy at default EQ settings
Full Specifications
| Spec | Sony LinkBuds S | Anker Soundcore Space A40 |
|---|---|---|
| Active Noise Cancelling | ||
| Type | in-ear | in-ear |
| Weight | 4.8 g (per bud) | 4.9 g (each) |
| Battery | ||
| Battery life | 6 hrs buds (ANC on), 14 hrs additional with case | 10 hrs (ANC on), 50 hrs total with case |
| Charging | USB-C, Qi wireless | USB-C, Qi wireless |
| Drivers | 5 mm dynamic driver | 10mm dynamic driver |
| Features | LDAC hi-res wireless audio, Integrated Processor V1 + QN1e chip, Adaptive Sound Control, Speak-to-Chat, Multipoint Bluetooth pairing, Smallest and lightest Sony ANC earbuds, Bluetooth LE Audio (LC3) | Adaptive ANC with multiple levels, Transparency Mode, HearID personalized sound profiles, Multipoint Bluetooth, Wireless charging case, Soundcore app with EQ customization |
| Connectivity | ||
| Wired option | ||
| Codecs | LDAC, LC3, AAC, SBC | AAC, SBC, LDAC |
| Bluetooth | 5.2 | 5.2 |
| Multipoint | ||
| Water Resistance | IPX4 (buds) | IPX4 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in headphones, see all Sony products or all Anker products. View full details for the Sony LinkBuds S or the Anker Soundcore Space A40.

