In depth comparison and review of Poly SupraPlus H261N-CD 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 SupraPlus H261N-CD | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Product Type | Headset - wired - Quick Disconnect | Headset - wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | Controller and Dispatch | ADAPT 100 Series | |
| Weight | - | 145.3 g | |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Poly SupraPlus H261N-CD | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | - | 20 - 20000 Hz | |
| Max Sound Pressure | - | 115 dB | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly SupraPlus H261N-CD | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono | 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 SupraPlus H261N-CD | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Controls | - | Volume, answer/end |
|---|
| CABLE | Poly SupraPlus H261N-CD | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Cable Type | Headset cable | Headset cable |
|---|
| FEATURES | Poly SupraPlus H261N-CD | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Poly SupraPlus H261N-CD | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Connector Type | Headset (Quick Disconnect) | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Poly SupraPlus H261N-CD | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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