In depth comparison and review of Sennheiser HD 300 PROtect 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 300 PROtect | 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 | - | ADAPT 100 Series | |
| Weight | 297 g | 145.3 g | EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than Sennheiser HD 300 PROtect headphones. |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Sennheiser HD 300 PROtect | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Sennheiser HD 300 PROtect are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 6 - 25000 Hz | 20 - 20000 Hz | Sennheiser HD 300 PROtect offer a larger frequency range than EPOS I SENNHEISER ADAPT 135T USB-C II. |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | 108 dB | - | |
| Impedance | 64 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 300 PROtect | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Type | - | 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 300 PROtect | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Controls | - | Volume, answer/end |
|---|
| CABLE | Sennheiser HD 300 PROtect | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Cable Type | Headphones cable - 1.55 m | Headset cable | |
|---|---|---|---|
| Cable Length | 1.55 m | - |
| FEATURES | Sennheiser HD 300 PROtect | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Features | EPOS ActiveGard | EPOS ActiveGard |
|---|
| CONNECTIONS | Sennheiser HD 300 PROtect | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HD 300 PROtect | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
| Service & Support | - | Limited warranty - 2 years |
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