Impedance levels vary (32 ohms vs 16 ohm), which can affect compatibility and audio output when used with different devices. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. There is a noticeable difference in weight (400 g vs 3 gm), which may affect comfort during extended use. The driver size differs between the two (40 mm vs 9 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. If you're comparing F&D Discovery H30 and Sony MDR-EX155AP, both models offer a strong combination of sound performance, comfort, and modern wireless features. F&D Discovery H30 and Sony MDR-EX155AP offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. The frequency response differs (20 - 20,000 Hz vs 5 Hz - 24,000 Hz), 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.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.