The driver size differs between the two (11 mm vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (30 gm vs 14 Gm), which may affect comfort during extended use. boAt Rockerz 261 and Aiwa ESBT 401 Ultralight offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. boAt Rockerz 261 uses Bluetooth 4.1 while Aiwa ESBT 401 Ultralight supports Bluetooth 5.0, which can impact connectivity stability and efficiency. Impedance levels vary (32 ohm vs 16 ohm), which can affect compatibility and audio output when used with different devices. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. If you're comparing boAt Rockerz 261 and Aiwa ESBT 401 Ultralight, both models offer a strong combination of sound performance, comfort, and modern wireless features. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios.

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