Side by side comparison and review of EPOS I SENNHEISER ADAPT 135 USB II and Bang & Olufsen Beoplay Portal. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth / 2.4 GHz radio frequency - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | ADAPT 100 Series | - | |
| Height | - | 17.87 cm | |
| Width | - | 16.73 cm | |
| Depth | - | 9.26 cm | |
| Weight | 145.3 g | 282 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than EPOS I SENNHEISER ADAPT 135 USB II headphones. |
| Colour | Black | Navy | Antracite black | Grey mist | |
| Body Material | - | Aluminium, rubber, composite polymer, bamboo fibre cloth | |
| Earpad Material | Leatherette | Memory foam, lambskin | |
| Design | - | Games | |
| Recommended Use | Portable electronics, computer | Game console, portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 12 m |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth / 2.4 GHz radio frequency | |
| Bluetooth Version | - | Bluetooth 5.1 | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Active Noise Cancelling | - | Yes | Bang & Olufsen Beoplay Portal are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancellation | |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | - | Dolby Atmos | |
| Sound Effects | EPOS Voice | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | Bang & Olufsen Beoplay Portal 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 | |
| Magnet Material | Neodymium | Neodymium | |
| Features | - | Google Fast Pair, Microsoft Swift Pair | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| 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 | - |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| Controls | Volume, answer/end | Power on/off, volume control, microphone on/mute, play/pause, ANC/transparency |
|---|
| CABLE | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| Cable Type | Headset cable | USB-C to USB-A cable - detachable - 1.25 m Headphones cable - detachable - 1.25 m |
|
|---|---|---|---|
| Cable Length | - | 1.25 m |
| FEATURES | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| Features | EPOS ActiveGard | - | |
|---|---|---|---|
| Additional Functions | - | Transparency mode |
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 1200 mAh | |
| Battery Life | - | 24 hour(s) | |
| Battery Life Details | - | Continuous playback (active noise-cancelling on) (2.4 GHz / Bluetooth): up to 12 hours Continuous playback (active noise-cancelling on) (Bluetooth ON): up to 24 hours |
|
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| Connector Type | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
Headphones (mini-phone 3.5mm) USB (24 pin USB-C) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 135 USB II | Bang & Olufsen Beoplay Portal |
|---|
| Included Accessories | - | Inflight adapter | |
|---|---|---|---|
| Software Certification | Optimised for UC | - | |
| Compliant Standards | - | MFI | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 3 years |
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