Anker Space A40
Jxrev J51
What Buyers Say
Anker Space A40
The Soundcore Space A40 earbuds are widely praised for their excellent sound quality, customizable EQ via the app, and strong noise cancellation. Users appreciate the long battery life, fast charging, and comfortable fit with multiple ear tip sizes. Some note that the ANC is not as powerful as premium competitors and that Bluetooth connection can occasionally drop in bumpy vehicles or certain environments. Overall, they are considered great value for the price.
Pros
- Excellent sound quality
- Customizable EQ via app
- Good noise cancellation
- Long battery life
- Fast charging
Cons
- ANC not as strong as premium competitors
- Occasional Bluetooth connection drops
- Touch controls limited to certain options at once
- Battery life slightly less than advertised
- Left ear discomfort for some users
Jxrev J51
These earbuds are widely praised for their excellent value for money, offering good sound quality, long battery life, and easy pairing at a very affordable price. Many users appreciate the comfortable fit and stylish colors, though some with smaller ears find them too large and note the lack of true noise cancellation. A few reviewers experienced minor connectivity drops or difficulty removing the buds from the case, but overall satisfaction is high, with many purchasing multiple pairs.
Pros
- Excellent value for money
- Good sound quality
- Long battery life
- Easy Bluetooth pairing
- Comfortable fit
Cons
- Too large for small ears
- No true noise cancellation
- Difficult to remove from case
- Occasional connectivity drops
- Not very loud
Scores
Specifications
| Anker Space A40 | Jxrev J51 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | true wireless |
| Ear Tips | 5 sizes of silicone ear tips | — |
| Weight | 0.06 kg | 0.03 kg★ |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 11 mm | 13 mm★ |
| Drivers | 2★ | — |
| Freq Min | 20 Hz★ | — |
| Freq Max | 20 kHz★ | — |
| Impedance | 16 Ω | 40 Ω |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | LDAC | Wireless Earbuds, Bluetooth 5.4 Earbuds Stereo Bass, Bluetooth Headphones in Ear Noise Cancelling Mic, Earphones IP7 Waterproof Sports, 32H Playtime USB C Charging Case Red Ear Buds for Android iOS |
| Surround | Soundcore by Anker Space A40 Auto-Adjustable Active Noise Cancelling Wireless Earbuds, Reduce Noise by Up to 98%, 50H Playtime, Hi-Res Sound, App Customization, Wireless Charge (Renewed) Blue (Refresh | — |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | adaptive | adaptive |
| Transparency | ✓★ | ✗ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.2 | 5.4★ |
| Multipoint | ✓★ | — |
| Wired Connector | Bluetooth | — |
| Earbud Battery | ||
| Battery Life | 10 hrs★ | 7 hrs |
| Charge Time | 2 hrs | 1 hrs★ |
| Fast Charging | 10 min for 4 hours playback | USB-C fast charging |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | 50 hrs★ | 32 hrs |
| Case Charging | USB-C | USB-C |
| Wireless Charging | ✓★ | — |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 6★ | 2 |
| NC Mic | ✓ | ✓ |
| Features | ||
| Voice Assistant | Siri, Google Assistant | voice assistant |
| Touch Controls | ✓ | ✓ |
| App | soundcore | — |
| Bone Conduction | ✗ | — |
| Water Resistance | IPX4 | IPX7 |
Pros & Cons
Anker Space A40
- Strong mic (97th percentile)97th %ile
- Strong connectivity (97th percentile)97th %ile
- Strong anc (97th percentile)97th %ile
- Strong sound (94th percentile)94th %ile
Jxrev J51
- Strong comfort (95th percentile)95th %ile
- Strong anc (90th percentile)90th %ile
- Strong mic (82nd percentile)82nd %ile
- Strong social proof (81st percentile)81st %ile
- Below average build (34th percentile)
Pricing
Anker Space A40
Jxrev J51
No current pricing available
Verdict
Scores 84 overall, wins 7 of 7 usage categories and 9 of 35 specs.
