The frequency response differs (18 Hz -22000 Hz vs 30 Hz to 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. If you're comparing Beyerdynamic DT 235 and Koss UR20, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. 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 (210 g vs NA), which may affect comfort during extended use.

Verdict: Choosing between Beyerdynamic DT 235 and Koss UR20 depends on whether you value better sound, longer battery life, or enhanced features.