Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. There is a noticeable difference in weight (250 Gm vs 305 GM), which may affect comfort during extended use. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Impedance levels vary (50 ohm vs 48 ohm), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (38 mm vs 45 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (12 Hz - 38500 Hz vs 5Hz - 40KHz), which can influence how well the headphones reproduce lows, mids, and highs. From a usability standpoint, both models provide a reliable and premium headphone experience. Sennheiser HD 599 and Beyerdynamic DT 770 PRO X are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Sennheiser HD 599 and Beyerdynamic DT 770 PRO X offer different noise cancellation capabilities (AMBIENT vs Ambient Noise Isolation), which can impact how effectively they block external noise.

Verdict: Choosing between Sennheiser HD 599 and Beyerdynamic DT 770 PRO X depends on whether you value better sound, longer battery life, or enhanced features.