The frequency response differs (20 Hz - 20000 Hz vs 100 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Beyerdynamic DTX 501 P and Koss ED1TC are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. There is a noticeable difference in weight (120 g vs NA), which may affect comfort during extended use. 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. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios.

Verdict: Choosing between Beyerdynamic DTX 501 P and Koss ED1TC depends on whether you value better sound, longer battery life, or enhanced features.