The frequency response differs (4 Hz - 24,000 Hz vs 20 Hz - 20000 kHz), which can influence how well the headphones reproduce lows, mids, and highs. The driver size differs between the two (12 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (9 gm vs 220 Gm), which may affect comfort during extended use. From a usability standpoint, both models provide a reliable and premium headphone experience. Sony MDR-XB510AS and JBL Free WFH are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Impedance levels vary (16 ohm vs 32 ohm), which can affect compatibility and audio output when used with different devices. Sony MDR-XB510AS and JBL Free WFH offer different noise cancellation capabilities (NA vs Active NC), which can impact how effectively they block external noise. 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.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.