In depth comparison and review of Poly - Plantronics Backbeat 500 and EPOS I SENNHEISER ADAPT 135T USB-C 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 | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headset - wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 155 g | 145.3 g | EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than Poly - Plantronics Backbeat 500 headphones. |
| Colour | White | Grey | Black | |
| Earpad Material | Memory foam | Leatherette | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | - | 20 - 20000 Hz | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135T USB-C II microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 8000 Hz |
| REMOTE CONTROL | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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| Controls | Volume, answer/end, play/pause, next/previous track | Volume, answer/end |
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| CABLE | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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| Cable Type | - | Headset cable |
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| FEATURES | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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| Features | - | EPOS ActiveGard |
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| BATTERY AND CHARGING | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 18 hour(s) | - |
| WIRELESS LINK | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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| Transmission Range | 10 m | - |
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| CONNECTIONS | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Poly - Plantronics Backbeat 500 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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