The driver size differs between the two (30 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (150 g vs 91.7 g), which may affect comfort during extended use. 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. Impedance levels vary (Power ON 220 Ω, OFF 45 Ω vs 16 Ohms), which can affect compatibility and audio output when used with different devices. If you're comparing Sony MDR-ZX110NC and Sennheiser HD 219, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Sony MDR-ZX110NC and Sennheiser HD 219 offer different noise cancellation capabilities (Yes vs NA), which can impact how effectively they block external noise. The frequency response differs (10Hz - 22,000Hz vs 19 Hz-21,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs.

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