In depth comparison and review of Sennheiser CX True Wireless and Soundcore Liberty 4. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser CX True Wireless | Soundcore Liberty 4 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 55 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
- | |
| Colour | Black | White | Midnight black | |
| Protection | Splashproof, IPX4 | IPX4, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| High-Resolution Audio | - | Yes | |
| Tracking Data | - | Heart rate |
| SOUND QUALITY | Sennheiser CX True Wireless | Soundcore Liberty 4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | LDAC | |
| Active Noise Cancelling | - | Yes | Soundcore Liberty 4 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | 360° Spatial Audio | |
| Frequency Response | 5 - 21000 Hz | Up to 40000 Hz | |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | 7 mm | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Features | TrueResponse technology | MultiPoint Technology, ACAA 3.0 technology |
| MICROPHONE | Sennheiser CX True Wireless | Soundcore Liberty 4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Soundcore Liberty 4 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 4 | 6 | Soundcore Liberty 4 have a built-in microphone. |
| REMOTE CONTROL | Sennheiser CX True Wireless | Soundcore Liberty 4 |
|---|
| Controls | - | Answer/end, play/pause, squeeze control, ANC/transparency/normal |
|---|
| CABLE | Sennheiser CX True Wireless | Soundcore Liberty 4 |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | - |
|---|
| FEATURES | Sennheiser CX True Wireless | Soundcore Liberty 4 |
|---|
| Features | Touch control | HearID 2.0 Technology, Dynamic Head Tracking | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | - | |
| Sensors | - | Gyroscope |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | Soundcore Liberty 4 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 60 mAh | - | |
| Battery Life | 9 hour(s) | 9 hour(s) | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
Continuous playback: up to 9 hours Continuous playback (with included charging case): up to 28 hours |
|
| Charging Time | 1.5 hour(s) | 1 hour(s) | Soundcore Liberty 4 recharge faster than Sennheiser CX True Wireless. |
| Included Qty | 2 | - |
| OTHERS | Sennheiser CX True Wireless | Soundcore Liberty 4 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | Charging case, CloudComfort ear tips (S/M1/M2/L)) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1 | IPX4 | |
| Service & Support | - | Limited warranty - 18 months |
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