Detailed comparison and review of Sennheiser CX 400BT and Bang & Olufsen Beocom EX. 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 | Bang & Olufsen Beocom EX |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 3.48 cm | |
| Width | - | 2.25 cm | |
| Depth | - | 2.27 cm | |
| Weight | - | 6 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Charging case: 6.62 cm x 2.81 cm x 4.82 cm / 53 g Earbud: 2.25 cm x 2.27 cm x 3.48 cm / 6 g |
|
| Colour | White | Black | Anthracite black | |
| Body Material | - | Aluminium, silicone, polymer, tempered glass | |
| Protection | - | Waterproof, IP57 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 400BT | Bang & Olufsen Beocom EX |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Electrodynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.2 | Bang & Olufsen Beocom EX 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) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC, aptX | |
| Active Noise Cancelling | - | Yes | Bang & Olufsen Beocom EX are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than Bang & Olufsen Beocom EX. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Sensitivity | - | 108 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 9.2 mm | Bang & Olufsen Beocom EX have a thicker diaphragm than Sennheiser CX 400BT. |
| Magnet Material | - | Neodymium | |
| Features | - | MultiPoint Technology, Google Fast Pair, Microsoft Swift Pair, Apple MFI |
| MICROPHONE | Sennheiser CX 400BT | Bang & Olufsen Beocom EX |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional, MEMS-directional | |
| Noise Cancelling | - | Yes | Bang & Olufsen Beocom EX microphone can cancel out ambient noise. |
| Microphones Included | - | 6 |
| REMOTE CONTROL | Sennheiser CX 400BT | Bang & Olufsen Beocom EX |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Mute, answer/end, play/pause, next/previous track, reject call |
|---|
| CABLE | Sennheiser CX 400BT | Bang & Olufsen Beocom EX |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C to USB-A cable - 50 cm |
|---|
| FEATURES | Sennheiser CX 400BT | Bang & Olufsen Beocom EX |
|---|
| Features | Voice alerts, touch control | Battery status indication | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Bang & Olufsen Beocom EX |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 70 mAh | Bang & Olufsen Beocom EX have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 7 hour(s) | 8 hour(s) | Bang & Olufsen Beocom EX lasts longer on a single charge than the Sennheiser CX 400BT. |
| Battery Life Details | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
Continuous playback (noise cancelling ON / with included charging case): up to 20 hours Continuous playback (noise cancelling OFF / with included charging case): up to 28 hours Continuous playback (noise cancelling ON): up to 6 hours Continuous playback (noise cancelling OFF): up to 8 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 | - |
| WIRELESS LINK | Sennheiser CX 400BT | Bang & Olufsen Beocom EX |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Bang & Olufsen Beocom EX |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | 4 pairs of silicone ear tips, charging case (380 mAh), Comply ear tips, USB-C to USB-A cable (0.5 m) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | Zoom certification |
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