Sennheiser CX 400BT True Wireless vs Sony MDR-ZX750BN

Audio quality is our top priority: Experience great sound with a 7 mm dynamic driver and a wide range of Bluetooth codec support. Sennheiser uses decades of expertise to drive the world of audio technology forward with every product - for new, unique sound experiences. Full digital control with our app: Our Smart Control app for iOS / Androidâ€‹ allows all of the earphone functionalities to be modified to your personal choice. Personalize to your everyday needs: Fully adaptable controls for music, calls and voice assistantâ€‹ - Built-in audio equalizerâ€‹ adapts the sound to your personal preferences. Enjoy outstanding sound quality no matter your mobile device or your surroundings with our wide range of audio codec support including AAC, aptX, SBC as well as passive Noise Cancelling. Long battery life (20 hours) and comfortable wearing: Get up to 20 hours of music playtime with one charge - The ergonomic designâ€‹ offers optimal comfort and secure fit with 4 ear adapter sizesâ€‹â€‹.

- NFC for one-touch connection with your smartphone - Digital Noise Cancelling to block out ambient noise - Built-In microphone for hands-free calling - Built-In remote with play, pause, stop, FF and FR functionality - Microphone unit: Electret Condenser - Microphone frequency range 100 Hz - 4,000 Hz

Key Differences

There is a noticeable difference in weight (230 g without cable vs 37 Gm), which may affect comfort during extended use. Sony MDR-ZX750BN and Sennheiser CX 400BT True Wireless offer different noise cancellation capabilities (Yes (Digital Noise Canceling) vs Passive), which can impact how effectively they block external noise. The driver size differs between the two (40 mm vs 7 mm), which can influence sound depth, bass response, and overall audio clarity. Sony MDR-ZX750BN uses Bluetooth 3.0 while Sennheiser CX 400BT True Wireless supports Bluetooth 5.1, which can impact connectivity stability and efficiency. Battery life varies between the two (Music Playtime: 13 hr, Talk Time: 10 hr, Standby Time: 150 hr vs 20 Hours), which affects how long you can use them on a single charge. The frequency response differs (8 - 22,000 Hz vs 5 Hz - 21000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Impedance levels vary (40 ohms vs NA), which can affect compatibility and audio output when used with different devices. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. If you're comparing Sony MDR-ZX750BN and Sennheiser CX 400BT True Wireless, both models offer a strong combination of sound performance, comfort, and modern wireless features.

Verdict: Choosing between Sony MDR-ZX750BN and Sennheiser CX 400BT True Wireless depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Battery Life: Music Playtime: 13 hr, Talk Time: 10 hr, Standby Time: 150 hr vs 20 Hours
Noise Cancelling: Yes (Digital Noise Canceling) vs Passive
Driver Size: 40 mm vs 7 mm
Bluetooth: 3.0 vs 5.1
Weight: 230 g without cable vs 37 Gm

Compare Sennheiser CX 400BT True Wireless with:

Compare Sony MDR-ZX750BN with:

Key Differences

Top Differences