There is a noticeable difference in weight (192 g (including rechargeable battery) vs 273 gm), which may affect comfort during extended use. The driver size differs between the two (40 mm vs 30 mm), which can influence sound depth, bass response, and overall audio clarity. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. The frequency response differs (20 - 20,000 Hz vs 5 Hz - 22,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Audio Technica ATH-ANC29 and Sony XB450BV are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Audio Technica ATH-ANC29 and Sony XB450BV offer different noise cancellation capabilities (Yes (Reduces Noise up to 18 dB) vs No), which can impact how effectively they block external noise. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Impedance levels vary (33 ohms vs 40 ohm), which can affect compatibility and audio output when used with different devices. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices.

Verdict: Choosing between Audio Technica ATH-ANC29 and Sony XB450BV depends on whether you value better sound, longer battery life, or enhanced features.