Key Differences

Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. The frequency response differs (5 - 35.000 Hz vs 5 - 30.000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Impedance levels vary (250 ohm vs 80 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (250 g vs 300 g), which may affect comfort during extended use. 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 990PRO and Beyerdynamic DT 770 M, both models offer a strong combination of sound performance, comfort, and modern wireless features. From a usability standpoint, both models provide a reliable and premium headphone experience.

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