Sony NWZ-WH303-B and Soundcore Liberty 4 NC offer different noise cancellation capabilities (NA vs Adaptive NC), which can impact how effectively they block external noise. Impedance levels vary (30 ohm vs 10 Ohm), which can affect compatibility and audio output when used with different devices. Sony NWZ-WH303-B and Soundcore Liberty 4 NC are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. The frequency response differs (30 - 20,000 Hz vs 20 Hz - 40000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. The driver size differs between the two (30 mm vs 11 mm), which can influence sound depth, bass response, and overall audio clarity. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. There is a noticeable difference in weight (292 g vs 209 Gm), which may affect comfort during extended use.

Verdict: Choosing between Sony NWZ-WH303-B and Soundcore Liberty 4 NC depends on whether you value better sound, longer battery life, or enhanced features.