Detailed comparison and review of Sennheiser CX 400BT and Huawei FreeBuds SE. 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 | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Charging case: 7 cm x 3.55 cm x 2.75 cm / 35.6 g Earphone: 2.06 cm x 2 cm x 3.81 cm / 5.1 g |
|
| Colour | White | Black | White | Blue | |
| Protection | - | IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.2 | Huawei FreeBuds SE have a more advanced version of Bluetooth than Sennheiser CX 400BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Serial Port Profile (SPP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Audio/Video Control Transport Protocol (AVCTP), Audio/Video Distribution Transport Protocol (AVDTP), General Audio/Video Distribution Profile (GAVDP), Radio Frequency Communication (RFCOMM) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC | |
| Active Noise Cancelling | - | Yes | Huawei FreeBuds SE are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than Huawei FreeBuds SE. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 10 mm | Huawei FreeBuds SE have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Huawei FreeBuds SE microphone can cancel out ambient noise. |
| REMOTE CONTROL | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Answer/end, play/pause |
|---|
| CABLE | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Features | Voice alerts, touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - | |
| Sensors | - | G-sensor |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 37 mAh | Sennheiser CX 400BT have a higher battery capacity than Huawei FreeBuds SE. |
| Battery Life | 7 hour(s) | 6 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Huawei FreeBuds SE. |
| Battery Life Details | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
Continuous playback: up to 6 hours Continuous talk: up to 4 hours Continuous playback (with included charging case): up to 24 hours Continuous talk (with included charging case): up to 16 hours |
|
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Huawei FreeBuds SE |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | 3 ear tips (small, medium, large), USB-C charging cable, charging case (410 mAh) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | FCC, NRCAN, RoHS 2.0 |
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