In depth comparison and review of Lenovo and Sennheiser CX 400BT. 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 | Lenovo | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 37 cm | - | |
| Width | 11 cm | - | |
| Depth | 2 cm | - | |
| Weight | 25 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Black | White | Black | |
| Earpad Material | Silicone | - | |
| Protection | Waterproof, IPX5 | - | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Lenovo | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear - neckband | In-ear | |
|---|---|---|---|
| Headphones Technology | - | 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 Lenovo. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Deep Bass | - | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Lenovo. |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 110 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 13 mm | 7 mm | Lenovo have a thicker diaphragm than Sennheiser CX 400BT. |
| Magnet Material | Neodymium | - |
| MICROPHONE | Lenovo | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -42 dB | - | |
| Signal-To-Noise Ratio | 58 dB | - |
| REMOTE CONTROL | Lenovo | Sennheiser CX 400BT |
|---|
| Controls | Volume, power on/off, microphone on/mute | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Lenovo | Sennheiser CX 400BT |
|---|
| Cable Type | Micro-USB charge cable - 1 m | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Lenovo | Sennheiser CX 400BT |
|---|
| Features | Touch control | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Lenovo | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 100 mAh | 55 mAh | Lenovo have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 10 hours | 7 hour(s) | Lenovo lasts longer on a single charge than the Sennheiser CX 400BT. |
| Battery Life Details | Continuous playback (with included charging case): up to 10 hours Continuous playback (with single charge): up to 4 hours |
Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Standby Time | 100 hours | - | |
| Charging Time | 1.5 hours | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| WIRELESS LINK | Lenovo | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| CONNECTIONS | Lenovo | Sennheiser CX 400BT |
|---|
| Connector Type | Bluetooth | - |
|---|
| OTHERS | Lenovo | Sennheiser CX 400BT |
|---|
| Included Accessories | Eargels, Buggy Bag, Shark Fins | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | TUV, CB, IC, FCC, KCC, CEC, NRCAN, JRF, DOE, RED | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | |
| Service & Support | Limited warranty - 1 year | - |
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