There is a noticeable difference in weight (388 g vs 377 GM), which may affect comfort during extended use. Beyerdynamic DT 1770PRO and Beyerdynamic DT 1770 PRO MKII are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Impedance levels vary (250 ohm vs 30 ohm), which can affect compatibility and audio output when used with different devices. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. From a usability standpoint, both models provide a reliable and premium headphone experience. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. The frequency response differs (5 - 40 000 Hz vs 5Hz - 40KHz), which can influence how well the headphones reproduce lows, mids, and highs.

Verdict: Choosing between Beyerdynamic DT 1770PRO and Beyerdynamic DT 1770 PRO MKII depends on whether you value better sound, longer battery life, or enhanced features.