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. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. There is a noticeable difference in weight (390 g vs 270 GM), which may affect comfort during extended use. The driver size differs between the two (NA vs 53 mm), which can influence sound depth, bass response, and overall audio clarity. Impedance levels vary (400 ohm vs 40 ohm), which can affect compatibility and audio output when used with different devices. Beyerdynamic DT 109 Series and Audio Technica ATH-AVC500 offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. The frequency response differs (30 - 20.000 Hz vs 10Hz - 25KHz), which can influence how well the headphones reproduce lows, mids, and highs. Beyerdynamic DT 109 Series and Audio Technica ATH-AVC500 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features.

Verdict: Choosing between Beyerdynamic DT 109 Series and Audio Technica ATH-AVC500 depends on whether you value better sound, longer battery life, or enhanced features.