Detailed comparison and review of Soundcore Liberty 2 Pro and Sennheiser CX 400BT. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Black | White | Black | |
| Protection | Sweat-resistant, IPX4 | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Balanced armature / dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Soundcore Liberty 2 Pro. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC, aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Soundcore Liberty 2 Pro. |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 11 mm | 7 mm | Soundcore Liberty 2 Pro have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Soundcore Liberty 2 Pro microphone can cancel out ambient noise. |
| Microphones Included | 4 | - |
| REMOTE CONTROL | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Cable Type | - | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Features | HearID Technology | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Battery Type | 2 x headphone battery rechargeable - wireless charging | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 65 mAh | 55 mAh | Soundcore Liberty 2 Pro have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 8 hour(s) | 7 hour(s) | Soundcore Liberty 2 Pro lasts longer on a single charge than the Sennheiser CX 400BT. |
| Battery Life Details | Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 32 hours |
Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Wireless Charging Standards | Qi | - | |
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | 2 |
| WIRELESS LINK | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Soundcore Liberty 2 Pro | Sennheiser CX 400BT |
|---|
| Included Accessories | 7 pairs of ear tips, 3 pairs of EarWings, charging case (500 mAh), USB-C charging cable | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | IPX4 | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | |
| Service & Support | Limited warranty - 18 months | - |
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