Sennheiser CX True Wireless vs Soundcore Liberty 4 Pro – Key Differences & Best Choice (2026)

Personalized controls. IPX4 splash resistance. Up to 27 hours play time. Passive Noise Cancellation. 15 min charging 1 hours music playtime. 4 sizes of ear adapters for the perfect fit, customizable touch controls for the perfect settings. With ergonomic design, intuitive controls and crystal-clear sound that you can easily adjust to your personal taste. Immerse yourself with Passive Noise Cancellation, added Bass Boost, Built-In Equalizer and the bespoke TrueResponse Transducer. Enjoy Passive Noise Cancellation, an eye-catching ergonomic design and the bespoke TrueResponse Transducer for crystal-clear sound.

Real-Time Adaptive Noise Reduction : Adapts to your ever-changing environment every 0.3 seconds, ensuring optimal, seamless noise reduction. 6-Mic AI Clear Calls : With a noise cancelling algorithm, a wind noise reduction tech, and six microphones, enjoy clear calls wherever you are. Effortless Controls : The case's touch bar and display let you fine-tune the noise-cancelling levels at any time with a simple swipe on the case. Super Fast Charging : Charge 2Ã— faster. A 5-minute refuel offers 4 hours of playtime. Up to 10 hours from one charge and up to 40 hours with the case. Studio-Level High-Fidelity Music : Indulge in crisp, full-bodied sound with ACAA, a 10.5mm driver, a titanium-coated tweeter, and a digital crossover. Matchless Noise Cancellation : 7 sensors detect noise from every angle. From planes to trains, enjoy a serene journey with 3Ã— stronger noise reduction.

Sennheiser CX True Wireless and Soundcore Liberty 4 Pro offer different noise cancellation capabilities (Passive vs Active Noise Cancelling), which can impact how effectively they block external noise. Sennheiser CX True Wireless uses Bluetooth 5.2 while Soundcore Liberty 4 Pro supports Bluetooth 5.3, which can impact connectivity stability and efficiency. Impedance levels vary (NA vs 15.3Î© + 10.3Î© Ohms), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (37 Gm vs 51 GM), which may affect comfort during extended use. The driver size differs between the two (7 mm vs 10.5 mm & 4.6 mm), which can influence sound depth, bass response, and overall audio clarity. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Sennheiser CX True Wireless and Soundcore Liberty 4 Pro are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Battery life varies between the two (27 Hours vs Playtime With ANC On Up To 7 Hours / 30 Hours, Playtime With ANC Off Up To 10 Hours / 48 Hours.), which affects how long you can use them on a single charge. The frequency response differs (5 Hz - 21000 Hz vs 14 Hz - 40KHz), which can influence how well the headphones reproduce lows, mids, and highs.

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: 27 Hours vs Playtime With ANC On Up To 7 Hours / 30 Hours, Playtime With ANC Off Up To 10 Hours / 48 Hours.
Noise Cancelling: Passive vs Active Noise Cancelling
Driver Size: 7 mm vs 10.5 mm & 4.6 mm
Bluetooth: 5.2 vs 5.3
Weight: 37 Gm vs 51 GM

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Top Differences