The frequency response differs (5 - 35 000 Hz vs 5 - 35.000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. 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. If you're comparing Beyerdynamic DT 770PRO and Beyerdynamic DT 990PRO, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. From a usability standpoint, both models provide a reliable and premium headphone experience. There is a noticeable difference in weight (270 g vs 250 g), which may affect comfort during extended use. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel.

Verdict: Choosing between Beyerdynamic DT 770PRO and Beyerdynamic DT 990PRO depends on whether you value better sound, longer battery life, or enhanced features.