In depth comparison and review of Bang & Olufsen Beoplay HX and EPOS I SENNHEISER ADAPT 135 USB II. 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 | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Height | 20 cm | - | |
| Width | 19.5 cm | - | |
| Depth | 5.2 cm | - | |
| Weight | 285 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than Bang & Olufsen Beoplay HX 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 | Anthracite black | Sand | Timber | Black | |
| Body Material | Plastic, fabric, rubber, polymer, recycled aluminium | - | |
| Earpad Material | Memory foam, lambskin | Leatherette | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 12 m | - |
| SOUND QUALITY | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless, wired | 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 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | Bang & Olufsen Beoplay HX offer a larger frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Sensitivity | 95 dB/mW | - | |
| Impedance | 24 Ohm | - | |
| Max Sound Pressure | - | 115 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 | Neodymium | |
| Features | Google Fast Pair, Microsoft Swift Pair | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 8000 Hz | |
| Microphones Included | 4 | - |
| REMOTE CONTROL | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | Mute, volume, power on/off, answer/end, play/pause, next/previous track, pair mode, voice assistant, audio transparency, ANC mode | Volume, answer/end |
|---|
| CABLE | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | Headphones cable - detachable - 1.25 m USB-C charge cable - detachable - 1.25 m |
Headset cable | |
|---|---|---|---|
| Cable Length | 1.25 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | Touch control | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| 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 | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Bang & Olufsen Beoplay HX | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Included Accessories | Carrying case, USB-C to USB-A charging cable | - | |
|---|---|---|---|
| Software Certification | - | Optimised for UC | |
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 3 years | Limited warranty - 2 years |
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