Beyerdynamic Custom One Pro Plus and Audio Technica ATH-M30x offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. The driver size differs between the two (NA vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. 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. If you're comparing Beyerdynamic Custom One Pro Plus and Audio Technica ATH-M30x, both models offer a strong combination of sound performance, comfort, and modern wireless features. The frequency response differs (5 Hz - 35000 Hz vs 15Hz - 22KHz), which can influence how well the headphones reproduce lows, mids, and highs. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. There is a noticeable difference in weight (290 g vs 220 GM), which may affect comfort during extended use. Impedance levels vary (16 Ohms vs 47 ohm), which can affect compatibility and audio output when used with different devices.

Verdict: Choosing between Beyerdynamic Custom One Pro Plus and Audio Technica ATH-M30x depends on whether you value better sound, longer battery life, or enhanced features.