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Great noise canceling and EQ options at a relatively low price.
At 5.2, its noise isolation / ANC beats 42% of wireless earbuds we've measured.
Measured on 133 of the 271 we've cataloged.
above average for wireless earbuds — based on 243 of 271 we've cataloged.
above average for wireless earbuds — based on 245 of 271 we've cataloged.
IPX4 is the most common — on 33% of the 244 wireless earbuds we've cataloged (of 271).
Active is the most common — on 61% of the 172 wireless earbuds we've cataloged (of 271).
The Anker Soundcore Space A40 has effective noise canceling and consistent audio output across the frequency range, with 22 EQ presets to choose from in the Soundcore app. For just under $100 USD, the Soundcore Space A40 has something for everyone.
Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | -1.3 |
| 25 | -0.5 |
| 32 | 0.1 |
| 40 | 0.3 |
| 50 | 0.2 |
| 63 | -0.3 |
| 80 | -1.1 |
| 100 | -2.1 |
| 125 | -3.3 |
| 160 | -4.5 |
| 200 | -4.6 |
| 250 | -4.0 |
| 315 | -3.0 |
| 400 | -1.4 |
| 500 | -1.6 |
| 630 | -0.9 |
| 800 | -0.5 |
| 1000 | 0.0 |
| 1250 | 1.2 |
| 1600 | 2.5 |
| 2000 | 4.0 |
| 2500 | 5.6 |
| 3150 | 5.3 |
| 4000 | 1.4 |
| 5000 | 0.0 |
| 6300 | -0.7 |
| 8000 | 1.7 |
| 10000 | -3.1 |
| 12500 | -8.9 |
| 16000 | -8.0 |
| 20000 | -28.5 |
Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | -2.0 |
| 26 | 0.9 |
| 33 | 1.8 |
| 41 | 1.8 |
| 52 | 2.3 |
| 65 | 2.7 |
| 82 | 3.1 |
| 103 | 4.3 |
| 130 | 1.7 |
| 163 | 3.8 |
| 205 | 4.6 |
| 259 | 6.0 |
| 325 | 7.5 |
| 410 | 13.3 |
| 516 | 12.0 |
| 613 | 8.1 |
| 772 | 13.7 |
| 972 | 14.2 |
| 1220 | 17.9 |
| 1540 | 19.8 |
| 1940 | 22.8 |
| 2440 | 26.4 |
| 3070 | 24.6 |
| 3870 | 24.8 |
| 4870 | 24.8 |
| 6130 | 28.3 |
| 7720 | 35.8 |
| 9720 | 41.5 |
| 12200 | 34.6 |
| 15400 | 28.6 |
| 19400 | 37.2 |
Total attenuation (dB) with ANC on — passive isolation plus active noise cancelling. Higher on the chart means more attenuation.
| Frequency (Hz) | Total attenuation (dB) |
|---|---|
| 21 | 1.6 |
| 26 | 13.2 |
| 33 | 21.9 |
| 41 | 31.8 |
| 52 | 38.8 |
| 65 | 37.5 |
| 82 | 36.6 |
| 103 | 39.2 |
| 130 | 22.4 |
| 163 | 24.1 |
| 205 | 25.5 |
| 259 | 24.0 |
| 325 | 20.9 |
| 410 | 22.8 |
| 516 | 16.2 |
| 613 | 11.2 |
| 772 | 19.1 |
| 972 | 18.7 |
| 1220 | 22.0 |
| 1540 | 23.2 |
| 1940 | 24.4 |
| 2440 | 25.6 |
| 3070 | 26.7 |
| 3870 | 24.6 |
| 4870 | 22.1 |
| 6130 | 23.8 |
| 7720 | 27.8 |
| 9720 | 41.8 |
| 12200 | 31.0 |
| 15400 | 26.1 |
| 19400 | 34.1 |
Commentary and deep dives from the SoundGuys editorial team.











