Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. There is a noticeable difference in weight (388 g vs 376 GM), which may affect comfort during extended use. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Impedance levels vary (250 ohm vs 30 ohm), which can affect compatibility and audio output when used with different devices. The frequency response differs (5 - 40 000 Hz vs 5Hz - 40KHz), which can influence how well the headphones reproduce lows, mids, and highs. Beyerdynamic DT 1770PRO and Beyerdynamic DT 1990 PRO MKII are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features.

Verdict: Choosing between Beyerdynamic DT 1770PRO and Beyerdynamic DT 1990 PRO MKII depends on whether you value better sound, longer battery life, or enhanced features.