There is a noticeable difference in weight (131 g vs 140 g), which may affect comfort during extended use. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The frequency response differs (22 Hz - 18000 Hz vs 20 Hz - 18000 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 350 P and Beyerdynamic DT 231 PRO are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. 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. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios.

Verdict: Choosing between Beyerdynamic DTX 350 P and Beyerdynamic DT 231 PRO depends on whether you value better sound, longer battery life, or enhanced features.