The driver size differs between the two (NA vs 9.2 mm), which can influence sound depth, bass response, and overall audio clarity. Sennheiser MM 400-X and Bowers & Wilkins PI3 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. The frequency response differs (15 Hz - 22000 Hz vs 10 Hz - 30000 kHz), which can influence how well the headphones reproduce lows, mids, and highs. Sennheiser MM 400-X and Bowers & Wilkins PI3 offer different noise cancellation capabilities (NA vs Active), which can impact how effectively they block external noise. Battery life varies between the two (10 Hrs music, 20 Hrs talktime vs 8 Hours), which affects how long you can use them on a single charge. Sennheiser MM 400-X uses Bluetooth Bluetooth® Version while Bowers & Wilkins PI3 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. Impedance levels vary (32 Ohms vs 32 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (105 g vs 31 gm), which may affect comfort during extended use.
Verdict: Choosing between Sennheiser MM 400-X and Bowers & Wilkins PI3 depends on whether you value better sound, longer battery life, or enhanced features.
Top Differences
- Battery Life: 10 Hrs music, 20 Hrs talktime vs 8 Hours
- Noise Cancelling: NA vs Active
- Driver Size: NA vs 9.2 mm
- Bluetooth: Bluetooth® Version vs 5.0
- Weight: 105 g vs 31 gm
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