The driver size differs between the two (38 mm vs 45 mm), which can influence sound depth, bass response, and overall audio clarity. 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. The frequency response differs (12 Hz - 38500 Hz vs 5Hz - 40KHz), which can influence how well the headphones reproduce lows, mids, and highs. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. 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. There is a noticeable difference in weight (250 Gm vs 305 GM), which may affect comfort during extended use. Impedance levels vary (50 ohm vs 48 ohm), which can affect compatibility and audio output when used with different devices. Sennheiser HD 599 and Beyerdynamic DT 770 PRO X are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.