Impedance levels vary (400 Ohms vs 80 Ohms), which can affect compatibility and audio output when used with different devices. Beyerdynamic DT 100 and Beyerdynamic DT 252 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. 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. The frequency response differs (30 Hz to 20000 Hz vs 10 Hz - 30000 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. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. From a usability standpoint, both models provide a reliable and premium headphone experience. There is a noticeable difference in weight (350 g vs 170 g), which may affect comfort during extended use.

Verdict: Choosing between Beyerdynamic DT 100 and Beyerdynamic DT 252 depends on whether you value better sound, longer battery life, or enhanced features.