There is a noticeable difference in weight (274 gm vs 55 Gm), which may affect comfort during extended use. 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. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. 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. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. The driver size differs between the two (50 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. Impedance levels vary (32 ohm vs NA), 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. 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: Choosing between JBL Quantum 400 and Aiwa AT-80XFANC depends on whether you value better sound, longer battery life, or enhanced features.