From a usability standpoint, both models provide a reliable and premium headphone experience. Impedance levels vary (32 Ohms vs NA), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (NA vs Apple Driver), which can influence sound depth, bass response, and overall audio clarity. Battery life varies between the two (10 Hrs music, 20 Hrs talktime vs 20 Hours NC ON , 30 Hours NC OFF), which affects how long you can use them on a single charge. Sennheiser MM 400-X uses Bluetooth Bluetooth® Version while Apple AirPods 4 With Active Noise Cancellation supports Bluetooth 5.3, which can impact connectivity stability and efficiency. Sennheiser MM 400-X and Apple AirPods 4 With Active Noise Cancellation offer different noise cancellation capabilities (NA vs Active Noise Cancelling), which can impact how effectively they block external noise. Sennheiser MM 400-X and Apple AirPods 4 With Active Noise Cancellation are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. The frequency response differs (15 Hz - 22000 Hz vs NA), which can influence how well the headphones reproduce lows, mids, and highs. There is a noticeable difference in weight (105 g vs 34.7 GM), which may affect comfort during extended use.
Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.
Top Differences
- Battery Life: 10 Hrs music, 20 Hrs talktime vs 20 Hours NC ON , 30 Hours NC OFF
- Noise Cancelling: NA vs Active Noise Cancelling
- Driver Size: NA vs Apple Driver
- Bluetooth: Bluetooth® Version vs 5.3
- Weight: 105 g vs 34.7 GM