Key Differences

The driver size differs between the two (40 mm vs 9 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (165 g (without cable) vs 3 gm), which may affect comfort during extended use. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Impedance levels vary (24 ohms vs 16 ohm), which can affect compatibility and audio output when used with different devices. The frequency response differs (21 - 18000 Hz vs 5 Hz - 24,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Sennheiser HD-201 and Sony MDR-EX155AP are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Sennheiser HD-201 and Sony MDR-EX155AP offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience.

Verdict: Choosing between Sennheiser HD-201 and Sony MDR-EX155AP depends on whether you value better sound, longer battery life, or enhanced features.