Impedance levels vary (250 ohm vs 48 ohm), which can affect compatibility and audio output when used with different devices. If you're comparing Beyerdynamic DT 287 PV MK II and Beyerdynamic DT 770 PRO X, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The frequency response differs (10 - 30.000 Hz vs 5Hz - 40KHz), which can influence how well the headphones reproduce lows, mids, and highs. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. There is a noticeable difference in weight (240 g vs 305 GM), which may affect comfort during extended use. Beyerdynamic DT 287 PV MK II and Beyerdynamic DT 770 PRO X offer different noise cancellation capabilities (NA vs Ambient Noise Isolation), which can impact how effectively they block external noise. The driver size differs between the two (NA vs 45 mm), which can influence sound depth, bass response, and overall audio clarity. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel.

Verdict: Choosing between Beyerdynamic DT 287 PV MK II and Beyerdynamic DT 770 PRO X depends on whether you value better sound, longer battery life, or enhanced features.