In depth comparison and review of EPOS I SENNHEISER ADAPT 135T USB-C II and EPOS I SENNHEISER ADAPT 261. 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 | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Product Type | Headset - wired - 3.5 mm jack, USB-C | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | ADAPT 100 Series | - | |
| Weight | 145.3 g | 120.7 g | EPOS I SENNHEISER ADAPT 261 are lighter than EPOS I SENNHEISER ADAPT 135T USB-C II headphones. |
| Colour | Black | Black | |
| Earpad Material | Leatherette | Leatherette | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | EPOS Voice | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Sound Pressure | 115 dB | 118 dB | |
| Magnet Material | Neodymium | Neodymium | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | 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 | 100 - 8000 Hz | The frequency response of the microphones in both headphones is the same. |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Controls | Volume, answer/end | - |
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| CABLE | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Cable Type | Headset cable | - |
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| FEATURES | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Features | EPOS ActiveGard | EPOS ActiveGard |
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| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 27 hour(s) |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Connector Type | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
- |
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| OTHERS | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER ADAPT 261 |
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| Included Accessories | - | USB-C adapter | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams, Optimised for UC | Certified for Microsoft Teams, Optimised for UC | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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