Detailed comparison and review of Huawei FreeBuds 3 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 | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 4.15 cm | - | |
| Width | 1.78 cm | - | |
| Depth | 2.04 cm | - | |
| Weight | 4.5 g | - | |
| Dimensions & Weight Details | Charging case: 6.09 cm x 6.09 cm x 2.18 cm / 48 g | Earbud: 6 g Charging case: 37 g |
|
| Colour | Red | Carbon black | Ceramic white | White | Black | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | Ear-bud | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.1 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Active Noise Cancelling | Yes | - | Huawei FreeBuds 3 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 5 - 21000 Hz | |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 14.2 mm | 7 mm | Huawei FreeBuds 3 have a thicker diaphragm than Sennheiser CX 400BT. |
| Features | HUAWEI Kirin A1 | - |
| MICROPHONE | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Huawei FreeBuds 3 microphone can cancel out ambient noise. |
| REMOTE CONTROL | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Controls | Play/pause, ANC on/off, tap control | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Cable Type | - | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant | |
| Sensors | Infrared wear sensor, bone sensor | - |
| BATTERY AND CHARGING | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 30 mAh | 55 mAh | Sennheiser CX 400BT have a higher battery capacity than Huawei FreeBuds 3. |
| Battery Life | 4 hour(s) | 7 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Huawei FreeBuds 3. |
| Battery Life Details | Continuous playback: up to 4 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 hour(s) | 1.5 hour(s) | Huawei FreeBuds 3 recharge faster than Huawei FreeBuds 3. |
| Auto On/Off | Yes | - | |
| Included Qty | - | 2 |
| WIRELESS LINK | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Huawei FreeBuds 3 | Sennheiser CX 400BT |
|---|
| Included Accessories | USB-C charging cable, wireless charging case | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU |
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