Key Differences

Impedance levels vary (16 ohm (1KHz) vs 16 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (Approx 34g vs 8.6 Gm), which may affect comfort during extended use. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. The frequency response differs (20 - 20,000Hz vs 5 Hz -40000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Sony MDR-EX31BN and Denon AH-C720 offer different noise cancellation capabilities (Yes vs NA), which can impact how effectively they block external noise. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Sony MDR-EX31BN and Denon AH-C720 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 (13.5mm vs 11.5 mm), which can influence sound depth, bass response, and overall audio clarity.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.