Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. From a usability standpoint, both models provide a reliable and premium headphone experience. The frequency response differs (20 Hz - 18000 Hz vs 18Hz - 25KHz), which can influence how well the headphones reproduce lows, mids, and highs. The driver size differs between the two (NA vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. Beyerdynamic DT 231 PRO and Audio Technica ATH-AVA400 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Beyerdynamic DT 231 PRO and Audio Technica ATH-AVA400 offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. There is a noticeable difference in weight (140 g vs 240 GM), which may affect comfort during extended use. Impedance levels vary (32 Ohms vs 35 ohm), which can affect compatibility and audio output when used with different devices.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.