The driver size differs between the two (40 mm vs 3.5 mm), which can influence sound depth, bass response, and overall audio clarity. Impedance levels vary (32 ohm vs 32 Ohms), which can affect compatibility and audio output when used with different devices. The frequency response differs (20 Hz - 20000 Hz vs 20 Hz To 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. From a usability standpoint, both models provide a reliable and premium headphone experience. 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. There is a noticeable difference in weight (150 gm vs 209 Gm), which may affect comfort during extended use. boAt BassHeads 900 and HP Wired On Ear Headphones With Mic Noise Cancelling offer different noise cancellation capabilities (Passive vs ANC), which can impact how effectively they block external noise. boAt BassHeads 900 and HP Wired On Ear Headphones With Mic Noise Cancelling are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features.

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