If you're comparing Audio Technica ATH-ANC9 and Beyerdynamic Aventho Wired, both models offer a strong combination of sound performance, comfort, and modern wireless features. Impedance levels vary (100 ohms (when noise cancelling function is used) vs 32 ohm), which can affect compatibility and audio output when used with different devices. From a usability standpoint, both models provide a reliable and premium headphone experience. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The driver size differs between the two (40 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. The frequency response differs (10 - 25,000Hz vs 10 - 40,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Audio Technica ATH-ANC9 and Beyerdynamic Aventho Wired offer different noise cancellation capabilities (Yes (Reduces Noise up to 30 dB) vs NA), which can impact how effectively they block external noise. There is a noticeable difference in weight (220 g (Inclusive of Battery and Cable) vs 210 g), which may affect comfort during extended use.

Verdict: Choosing between Audio Technica ATH-ANC9 and Beyerdynamic Aventho Wired depends on whether you value better sound, longer battery life, or enhanced features.