Key Differences

There is a noticeable difference in weight (NA vs 125 Gm), which may affect comfort during extended use. Impedance levels vary (100 Ohms vs 24 ohm), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (NA vs 30 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. 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 Koss SB45 and Sony MDR-ZX310AP, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. The frequency response differs (18 Hz -20000 Hz vs 10 Hz - 24000 Hz), which can influence how well the headphones reproduce lows, mids, and highs.

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