Key Differences

Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. There is a noticeable difference in weight (270 g vs 250 g), which may affect comfort during extended use. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Impedance levels vary (32/80/250 Ohms vs 250 Ohms), which can affect compatibility and audio output when used with different devices. If you're comparing Beyerdynamic DT 770 PRO and Beyerdynamic DT 990 PRO, both models offer a strong combination of sound performance, comfort, and modern wireless features.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.