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.

Key Differences

There is a noticeable difference in weight (37 Gm vs 51 GM), which may affect comfort during extended use. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. 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. 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. Sennheiser CX True Wireless and Soundcore Liberty 4 Pro are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. 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. 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.

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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Key Differences

Top Differences