Which has better battery life?

The Space A40, by a wide margin. It lists 50 hours total with the case versus 10 hours max for the Liberty 4 NC.

The Liberty 4 NC has the edge on paper with LDAC, Hi-Res Wireless and 11 mm drivers. The Space A40 relies on 10 mm double-layer drivers and app EQ.

Is the Liberty 4 NC worth the extra money?

Only if you use a hi-res streaming service and value LDAC. Otherwise the Space A40 covers ANC, multipoint and far more playtime for less.

Do both have noise cancellation?

Yes. Both list active noise cancellation. The Space A40 adds adaptive ANC that adjusts to your environment.

Are either good for workouts?

Both are IPX4, which handles sweat and light rain but not swimming or heavy soaking. Neither is fully waterproof.

Do both connect to two devices at once?

Yes. Both list multipoint connection, so you can switch between a phone and a laptop.

Soundcore Space A40 vs Anker Soundcore Liberty 4 NC

Both are strong budget ANC earbuds, but they suit different shoppers. The Space A40 wins on total battery life (50 hours with the case) and is the cheaper of the two at its recent low of $39.99 on November 5, 2026, versus a high of $79.99 on October 30, 2026. The Liberty 4 NC is the better pick for sound quality and newer Bluetooth, with LDAC and Hi-Res wireless support. If price and playtime matter most, take the Space A40. If you want the best audio codec support, take the Liberty 4 NC.

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