There is a noticeable difference in weight (130 g vs NA), which may affect comfort during extended use. The frequency response differs (18 Hz - 18000 Hz vs 25 Hz - 15000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. If you're comparing Sennheiser HD 202 and Koss UR18, 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. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. 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.
Verdict: Choosing between Sennheiser HD 202 and Koss UR18 depends on whether you value better sound, longer battery life, or enhanced features.