The driver size differs between the two (50 mm vs 6 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 support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. From a usability standpoint, both models provide a reliable and premium headphone experience. Impedance levels vary (32 ohm vs 16 Ohm±15%), which can affect compatibility and audio output when used with different devices. The frequency response differs (20 Hz - 20000 kHz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. JBL Quantum 400 and Skullcandy Dime 2 True Wireless Earbuds are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. There is a noticeable difference in weight (274 gm vs 32 Gm), which may affect comfort during extended use.

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