Beyerdynamic DT 109 Series and Audio Technica ATH-PRO5X offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. 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. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Impedance levels vary (400 ohm vs 34 ohm), which can affect compatibility and audio output when used with different devices. If you're comparing Beyerdynamic DT 109 Series and Audio Technica ATH-PRO5X, both models offer a strong combination of sound performance, comfort, and modern wireless features. The driver size differs between the two (NA vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (30 - 20.000 Hz vs 5Hz - 35KHz), which can influence how well the headphones reproduce lows, mids, and highs. There is a noticeable difference in weight (390 g vs 250 GM), which may affect comfort during extended use.

Verdict: Choosing between Beyerdynamic DT 109 Series and Audio Technica ATH-PRO5X depends on whether you value better sound, longer battery life, or enhanced features.