Key Differences

Impedance levels vary (32 Ohms vs 60 Ohms), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (Approx 219 g vs NA), which may affect comfort during extended use. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. The frequency response differs (18 Hz-22,000 Hz vs 20 Hz - 17000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. 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. Sennheiser HD 429 and Koss TD85 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. From a usability standpoint, both models provide a reliable and premium headphone experience. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment.

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