In depth comparison and review of EPOS I SENNHEISER ADAPT 135T USB-C II and EPOS I SENNHEISER C20. 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 C20 |
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Product Type | Headset - wired - 3.5 mm jack, USB-C | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
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Series | ADAPT 100 Series | C-series | |
Height | - | 20 cm | |
Width | - | 16.5 cm | |
Depth | - | 5.8 cm | |
Weight | 145.3 g | 200 g | EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than EPOS I SENNHEISER ADAPT 135T USB-C II headphones. |
Colour | Black | Black | |
Earpad Material | Leatherette | - | |
Recommended Use | Portable electronics, computer | - | |
Bluetooth Range (Operating Distance) | - | 25 m |
SOUND QUALITY | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER C20 |
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Headphones Form Factor | On-ear | On-ear | |
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Headphones Technology | Dynamic | Dynamic | |
Connectivity Technology | Wired | Wireless | |
Wireless Technology | - | Bluetooth | |
Sound Output Mode | Stereo | Stereo | |
Sound Effects | EPOS Voice | - | |
Frequency Response | 20 - 20000 Hz | - | |
Total Harmonic Distortion (THD) | - | 3% | |
Max Sound Pressure | 115 dB | - | |
Magnet Material | Neodymium | - | |
Features | - | EPOS BrainAdapt Technology | |
In-Cord Volume Control | Yes | - |
MICROPHONE | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER C20 |
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Type | Boom | Boom | |
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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 | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER C20 |
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Controls | Volume, answer/end | - |
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CABLE | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER C20 |
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Cable Type | Headset cable | - |
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FEATURES | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER C20 |
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Features | EPOS ActiveGard | - |
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BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER C20 |
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Battery Type | - | Headset battery rechargeable | |
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Standby Time | - | 300 hours | |
Charging Time | - | 2 hour(s) |
CONNECTIONS | EPOS I SENNHEISER ADAPT 135T USB-C II | EPOS I SENNHEISER C20 |
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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 C20 |
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Included Accessories | - | Carrying case, charging cable, BTD 800 USB dongle | |
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Software Certification | Certified for Microsoft Teams, Optimised for UC | - | |
Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |