The frequency response differs (18 Hz - 20000 Hz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. There is a noticeable difference in weight (6 gm vs 50 gm), which may affect comfort during extended use. Impedance levels vary (32 ohm vs 16 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 driver size differs between the two (13.5 mm vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. Sony MDR-E9LP and boAt BassHeads 225 offer different noise cancellation capabilities (No vs Passive), 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. Sony MDR-E9LP and boAt BassHeads 225 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life.

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