In depth comparison and review of SteelSeries Arctis 9 Wireless 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 | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Product Type | Headset - Bluetooth / 2.4 GHz radio frequency - wireless | Headset - wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | - | 145.3 g | |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Design | Games | - | |
| Recommended Use | Game console, portable electronics, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 12 m | - |
| SOUND QUALITY | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth / 2.4 GHz radio frequency | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | DTS Headphone:X 2.0 | EPOS Voice | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 98 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Bi-directional | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135T USB-C II microphone can cancel out ambient noise. |
| Frequency Response | 100 - 6500 Hz | 100 - 8000 Hz | EPOS I SENNHEISER ADAPT 135T USB-C II offer a larger microphone frequency range than SteelSeries Arctis 9 Wireless. |
| Sensitivity | -38 dBV/Pascal | - | |
| Impedance | 2200 Ohm | - |
| REMOTE CONTROL | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Controls | Volume | Volume, answer/end |
|---|
| CABLE | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Cable Type | USB charge cable - detachable | Headset cable |
|---|
| FEATURES | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 20 hour(s) | - |
| WIRELESS LINK | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Radio Frequency Range | 2.4GHz | - |
|---|
| CONNECTIONS | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Connector Type | - | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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