Detailed comparison and review of Sennheiser CX 400BT and Bang & Olufsen Beoplay 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 Beoplay 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 2.21 cm x 4.8 cm / 53 g Earbud: 2.25 cm x 2.27 cm x 3.48 cm / 6 g |
|
| Colour | White | Black | Anthracite oxygen | Anthracite black | Gold tone | |
| Body Material | - | Aluminium, silicone, polymer, tempered glass | |
| Protection | - | IP57 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 400BT | Bang & Olufsen Beoplay EX |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.2 | Bang & Olufsen Beoplay 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 Beoplay 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 Beoplay EX. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Sensitivity | - | 107 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 9.2 mm | Bang & Olufsen Beoplay EX have a thicker diaphragm than Sennheiser CX 400BT. |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser CX 400BT | Bang & Olufsen Beoplay EX |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | Sennheiser CX 400BT | Bang & Olufsen Beoplay EX |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Volume, answer/end, play/pause, ANC/transparency |
|---|
| CABLE | Sennheiser CX 400BT | Bang & Olufsen Beoplay 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 Beoplay EX |
|---|
| Features | Voice alerts, touch control | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - | |
| Additional Functions | - | Transparency mode |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Bang & Olufsen Beoplay EX |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 70 mAh | Bang & Olufsen Beoplay EX have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 7 hour(s) | 8 hours | Bang & Olufsen Beoplay 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 (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 hours | The charging of both headphones last the same time. |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | Bang & Olufsen Beoplay EX |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Bang & Olufsen Beoplay 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) | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, iPod, Android phone, Android tablet | |
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | IP57 | |
| Service & Support | - | Limited warranty - 3 years |
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