In depth comparison and review of Sennheiser HD 2.20s 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 | Sennheiser HD 2.20s | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | HD 2.0 | ADAPT 100 Series | |
| Weight | 246 g | 145.3 g | EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than Sennheiser HD 2.20s headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | Sennheiser HD 2.20s | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 18 - 18000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER ADAPT 135T USB-C II offer a larger frequency range than Sennheiser HD 2.20s. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 117 dB | - | |
| Impedance | 26 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Sennheiser HD 2.20s | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Type | On-cable | 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 | Sennheiser HD 2.20s | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Controls | Volume, answer/end, play/pause | Volume, answer/end |
|---|
| CABLE | Sennheiser HD 2.20s | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Cable Type | Headphones cable - 1.4 m | Headset cable | |
|---|---|---|---|
| Cable Length | 1.4 m | - |
| FEATURES | Sennheiser HD 2.20s | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Sennheiser HD 2.20s | 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 | Sennheiser HD 2.20s | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Included Accessories | Audio cable (1.4 m) | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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