Key Differences

The frequency response differs (5 Hz - 35000 Hz vs 5 - 35.000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. From a usability standpoint, both models provide a reliable and premium headphone experience. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. If you're comparing Beyerdynamic CUSTOM STUDIO and Beyerdynamic DT 990PRO, both models offer a strong combination of sound performance, comfort, and modern wireless features. The driver size differs between the two (45 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Impedance levels vary (80 Ohms vs 250 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (430 g vs 250 g), which may affect comfort during extended use.

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