Impedance levels vary (80 Ohms vs 47 ohm), 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 frequency response differs (5 Hz - 35000 Hz vs 15Hz - 22KHz), which can influence how well the headphones reproduce lows, mids, and highs. Beyerdynamic CUSTOM STUDIO and Audio Technica ATH-M30x are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. The driver size differs between the two (45 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (430 g vs 220 GM), which may affect comfort during extended use. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Beyerdynamic CUSTOM STUDIO and Audio Technica ATH-M30x offer different noise cancellation capabilities (NA vs Sound Isolation), 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: Choosing between Beyerdynamic CUSTOM STUDIO and Audio Technica ATH-M30x depends on whether you value better sound, longer battery life, or enhanced features.