Side by side comparison and review of Sennheiser HMD 300 PRO and EPOS I SENNHEISER ADAPT 135 USB II. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HMD 300 PRO | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headset - wired | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 319 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than Sennheiser HMD 300 PRO headphones. |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Sennheiser HMD 300 PRO | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HMD 300 PRO can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Sennheiser HMD 300 PRO are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 60 - 25000 Hz | 20 - 20000 Hz | Sennheiser HMD 300 PRO offer a larger frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | 0.1% | - | |
| Sensitivity | 108 dB | - | |
| Impedance | 64 Ohm | - | |
| Max Sound Pressure | 123 dB | 115 dB | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HMD 300 PRO | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | 80 - 16000 Hz | 100 - 8000 Hz | Sennheiser HMD 300 PRO offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Sensitivity | 0.4 mV/Pascal | - | |
| Impedance | 300 Ohm | - |
| REMOTE CONTROL | Sennheiser HMD 300 PRO | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | - | Volume, answer/end |
|---|
| CABLE | Sennheiser HMD 300 PRO | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | - | Headset cable |
|---|
| FEATURES | Sennheiser HMD 300 PRO | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | EPOS ActiveGard | EPOS ActiveGard |
|---|
| CONNECTIONS | Sennheiser HMD 300 PRO | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | - | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HMD 300 PRO | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Included Accessories | Wind screen | - | |
|---|---|---|---|
| Software Certification | - | Optimised for UC | |
| Service & Support | - | Limited warranty - 2 years |
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