The driver size differs between the two (50 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (20 Hz - 20000 kHz vs 20 Hz - 20 KHz), 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. JBL Quantum 400 and Aiwa AT-80XFANC are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Impedance levels vary (32 ohm vs NA), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (274 gm vs 55 Gm), which may affect comfort during extended use. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. JBL Quantum 400 and Aiwa AT-80XFANC offer different noise cancellation capabilities (NA vs Active), which can impact how effectively they block external noise.

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