Soundcore Liberty Air 2 vs Sony WI-SP510 – Which Headphones Are Better? (2026)

1.5 hours ( For Earbuds ), 2 Hours ( For Charging Case via USB ), 3.5 Hours ( For Charging Case via Wireless Charger ). Up to 28 Hours of Playtime: Enjoy 7 hours of playtime on a single charge and extend to 28 hours with the charging case. One-Step Pairing and Bluetooth 5 Connectivity: Liberty Air 2 wireless earphones use Bluetooth 5 for a fast, easy, and ultra-stable connection. Diamond-Inspired Sound: Liberty Air 2â€™s diamond-inspired drivers increase the sound frequency bandwidth by 15% and deliver 2 Ã— the amount of bass. HearID Technology: HearID maps your hearing sensitivity at multiple frequencies and intelligently analyzes the results to give you a truly personalized listening experience. Perfect for Home Offices: Each earbud is equipped with two microphones and cVc 8.0 noise reduction technology. Environmental noises are reduced by 60%, while 95% of your voice is retained so you sound louder and clearer on the other end.

Water resistant and washable with IPX5 rating EXTRA BASSâ„¢3 for deep, punchy sound Easy hands-free calling and voice assistant BluetoothÂ® wireless technology Up to 15 hours of playback from a single charge Turbo-charge your workouts Easy operation with buttons Conversation flows freely with easy hands-free calling, thanks to the built-in microphone Stream your favourite tracks from your smartphone with Blutooth wireless technology The soft, flexible and lightweight neckband design is shaped for comfortable, all-day wearing Conversation flows freely with easy hands-free calling, thanks to the built-in microphone

Key Differences

Impedance levels vary (NA vs 16 Ohm), which can affect compatibility and audio output when used with different devices. Battery life varies between the two (15 Hours vs 7 / 28 Hours), which affects how long you can use them on a single charge. If you're comparing Sony WI-SP510 and Soundcore Liberty Air 2, both models offer a strong combination of sound performance, comfort, and modern wireless features. There is a noticeable difference in weight (30 gm vs 59 Gm), which may affect comfort during extended use. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The driver size differs between the two (12 mm vs 6 X 2 mm), which can influence sound depth, bass response, and overall audio clarity. Sony WI-SP510 and Soundcore Liberty Air 2 offer different noise cancellation capabilities (No vs CVC), which can impact how effectively they block external noise. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. From a usability standpoint, both models provide a reliable and premium headphone experience.

Verdict: Choosing between Sony WI-SP510 and Soundcore Liberty Air 2 depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Battery Life: 15 Hours vs 7 / 28 Hours
Noise Cancelling: No vs CVC
Driver Size: 12 mm vs 6 X 2 mm
Weight: 30 gm vs 59 Gm
Impedance: NA vs 16 Ohm

Compare Soundcore Liberty Air 2 with:

Compare Sony WI-SP510 with:

Key Differences

Top Differences