Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Sony MDR-EX15AP-V and Denon AH-C260R are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. There is a noticeable difference in weight (3 g vs 2.2 g), which may affect comfort during extended use. 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. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. The frequency response differs (8Hz - 22,000Hz vs 20 Hz-23,000 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.