If you're comparing Sony XB450BV and Beyerdynamic DT 240 PRO, both models offer a strong combination of sound performance, comfort, and modern wireless features. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. There is a noticeable difference in weight (273 gm vs 196 g), which may affect comfort during extended use. Sony XB450BV and Beyerdynamic DT 240 PRO offer different noise cancellation capabilities (No vs Ambient), which can impact how effectively they block external noise. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Impedance levels vary (40 ohm vs 34 ohm), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (30 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (5 Hz - 22,000 Hz vs 5 - 35.000 Hz), which can influence how well the headphones reproduce lows, mids, and highs.

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