Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. If you're comparing JBL TUNE 220TWS and JBL Quantum 400, both models offer a strong combination of sound performance, comfort, and modern wireless features. The driver size differs between the two (12.5 mm vs 50 mm), which can influence sound depth, bass response, and overall audio clarity. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. There is a noticeable difference in weight (57 gm vs 274 gm), which may affect comfort during extended use. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content.

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