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. There is a noticeable difference in weight (120 g vs NA), which may affect comfort during extended use. 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 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 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 support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices.

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