In depth comparison and review of Lenovo ThinkPad X1 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 | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Product Type | Headphones - Bluetooth - wireless | Headset - wired - 3.5 mm jack, USB-C | |
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Series | - | ADAPT 100 Series | |
Weight | 195 g | 145.3 g | EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than Lenovo ThinkPad X1 headphones. |
Colour | - | Black | |
Earpad Material | - | Leatherette | |
Recommended Use | - | Portable electronics, computer |
SOUND QUALITY | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Headphones Form Factor | On-ear | On-ear | |
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Headphones Technology | - | Dynamic | |
Adjustable Headband | Yes | - | |
Foldable | Yes | - | Lenovo ThinkPad X1 can be folded. |
Connectivity Technology | Wireless | Wired | |
Wireless Technology | Bluetooth | - | |
Bluetooth Version | Bluetooth 5.0 | - | |
Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL, mSBC | - | |
Active Noise Cancelling | Yes | - | Lenovo ThinkPad X1 are equipped with active noice cancellation. |
Active Noise Cancelling Technology | Environmental Noise Cancellation (ENC) / Hybrid ANC | - | |
Sound Output Mode | - | Stereo | |
Sound Effects | - | EPOS Voice | |
Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
Max Input Power | 30 mW | - | |
Sensitivity | 111 dB | - | |
Impedance | 32 Ohm | - | |
Max Sound Pressure | - | 115 dB | |
Diaphragm | 40 mm | - | |
Dynamic Range | 110 dB | - | |
Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | Lenovo ThinkPad X1 have the ability to connect to multiple devices simultaneously. |
Magnet Material | - | Neodymium | |
In-Cord Volume Control | - | Yes |
MICROPHONE | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Form Factor | Built-in | - | |
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Type | - | Boom | |
Microphone Operation Mode | - | Mono | |
Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
Frequency Response | 50 - 8000 Hz | 100 - 8000 Hz | Lenovo ThinkPad X1 offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 135T USB-C II. |
Dynamic Range | 95 dB | - | |
Signal-To-Noise Ratio | 19 dB | - |
REMOTE CONTROL | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Controls | - | Volume, answer/end |
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CABLE | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Cable Type | USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
Headset cable |
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FEATURES | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Features | - | EPOS ActiveGard |
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BATTERY AND CHARGING | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Battery Type | Headphone battery rechargeable | - | |
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Battery Life | 20 hours | - | |
Battery Life Details | (noise cancelling OFF): up to 20 hours Continuous playback: up to 15 hours |
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Charging Time | 2 hours | - |
CONNECTIONS | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Connector Type | Headphones (24 pin USB-C) | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
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OTHERS | Lenovo ThinkPad X1 | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Included Accessories | Carrying case | - | |
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Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |