Sony LinkBuds vs Anker Soundcore Space A40
The Verdict
Sony LinkBuds prioritize an open ring driver design for natural ambient awareness, making them ideal for users wanting to stay connected to their surroundings while listening. Anker Soundcore Space A40 delivers closed-ear isolation with active noise cancellation, 10-hour battery life per charge, and wireless charging at roughly half Sony's price. Sound quality differs fundamentally: LinkBuds offer 12mm ring drivers with DSEE enhancement and Speak-to-Chat, while Space A40 provides LDAC codec support and HearID personalization. Battery endurance heavily favors Anker with 10 hours per charge versus Sony's 5.5 hours. Soundcore also includes adaptive ANC and transparency mode for versatile listening scenarios. For commuters prioritizing noise isolation and battery longevity on a budget, Space A40 represents exceptional value. LinkBuds suit work environments where situational awareness matters more than noise blocking.
Who Should Buy
Buy the Sony LinkBuds if…
- →Unique open ring design keeps you aware of surroundings
- →Ultra-lightweight at 4.1 g — barely noticeable in the ear
- →Wide Area Tap lets you control playback by tapping your face
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
Pros
- Unique open ring design keeps you aware of surroundings
- Ultra-lightweight at 4.1 g — barely noticeable in the ear
- Wide Area Tap lets you control playback by tapping your face
- Multipoint for seamless switching between devices
- IPX4 for rain and light sweat
Cons
- Open design means zero noise isolation and significant sound leak
- 5.5-hour battery is shorter than most competitors
- Bass response is inherently limited by the open driver
- Unusual fit may not work for all ear shapes
- $179 is pricey given the sound quality limitations
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 | Anker Soundcore Space A40 |
|---|---|---|
| Active Noise Cancelling | ||
| Type | in-ear | in-ear |
| Weight | 4.1 g (each) | 4.9 g (each) |
| Battery | ||
| Battery life | 5.5 hrs (17.5 hrs total with case) | 10 hrs (ANC on), 50 hrs total with case |
| Charging | USB-C | USB-C, Qi wireless |
| Drivers | 12mm ring driver (open design) | 10mm dynamic driver |
| Features | Open ring driver design — hear surroundings naturally, Wide Area Tap for touch-free controls, DSEE digital sound enhancement, Speak-to-Chat auto-pause, Adaptive volume control, Multipoint connection | 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 | SBC, AAC | AAC, SBC, LDAC |
| Bluetooth | 5.2 | 5.2 |
| Multipoint | ||
| Water Resistance | IPX4 | 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 or the Anker Soundcore Space A40.

