Audio Technica ATH-ANC7b and Beyerdynamic DT 770 PRO are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Impedance levels vary (300 ohms (when noise cancelling function is used) vs 32/80/250 Ohms), which can affect compatibility and audio output when used with different devices. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. The driver size differs between the two (40 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (210 g (Inclusive of Battery and Cable) vs 270 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 (10 - 25,000Hz vs 5 Hz - 35000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Audio Technica ATH-ANC7b and Beyerdynamic DT 770 PRO offer different noise cancellation capabilities (Yes (Reduces Noise up to 20 dB) vs NA), which can impact how effectively they block external noise. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.