In depth comparison and review of Sennheiser HD 400S and Bang & Olufsen Beoplay HX. 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 | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 20 cm | |
| Width | - | 19.5 cm | |
| Depth | - | 5.2 cm | |
| Weight | 217 g | 285 g | Sennheiser HD 400S are lighter than Sennheiser HD 400S headphones. |
| Dimensions & Weight Details | - | Headphones: 19.5 cm x 5.2 cm x 20 cm Case: 20 cm x 6.3 cm x 18 cm / 360 g |
|
| Colour | Black | Anthracite black | Sand | Timber | |
| Body Material | - | Plastic, fabric, rubber, polymer, recycled aluminium | |
| Earpad Material | - | Memory foam, lambskin | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 12 m |
| SOUND QUALITY | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 400S can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.1 | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX Adaptive | |
| Active Noise Cancelling | - | Yes | Bang & Olufsen Beoplay HX are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Active Noise Cancellation | |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 20000 Hz | 20 - 22000 Hz | Bang & Olufsen Beoplay HX offer a larger frequency range than Sennheiser HD 400S. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 95 dB/mW | |
| Impedance | 18 Ohm | 24 Ohm | |
| Max Sound Pressure | 120 dB | - | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Bang & Olufsen Beoplay HX have the ability to connect to multiple devices simultaneously. |
| Magnet Material | - | Neodymium | |
| Features | - | Google Fast Pair, Microsoft Swift Pair |
| MICROPHONE | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Controls | Answer/end, play/pause, next/previous track | Mute, volume, power on/off, answer/end, play/pause, next/previous track, pair mode, voice assistant, audio transparency, ANC mode |
|---|
| CABLE | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | Headphones cable - detachable - 1.25 m USB-C charge cable - detachable - 1.25 m |
|
|---|---|---|---|
| Cable Length | 1.4 m | 1.25 m | |
| Detachable Cable | Yes | Yes |
| FEATURES | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Features | - | Touch control |
|---|
| BATTERY AND CHARGING | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 1200 mAh | |
| Battery Life | - | 35 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 40 hours |
|
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 400S | Bang & Olufsen Beoplay HX |
|---|
| Included Accessories | - | Carrying case, USB-C to USB-A charging cable | |
|---|---|---|---|
| Compliant Standards | - | MFI | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 3 years |
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