In depth comparison and review of SteelSeries Arctis 9 Wireless and EPOS I SENNHEISER ADAPT 561 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 561 II |
|---|
| Product Type | Headset - Bluetooth / 2.4 GHz radio frequency - wireless | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | ADAPT 500 Series | |
| Weight | - | 232 g | |
| Earpad Material | - | Plush, textured fabric | |
| Design | Games | - | |
| Recommended Use | Game console, portable electronics, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 12 m | 25 m | EPOS I SENNHEISER ADAPT 561 II have a greater operating distance than SteelSeries Arctis 9 Wireless. |
| SOUND QUALITY | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth / 2.4 GHz radio frequency | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | EPOS I SENNHEISER ADAPT 561 II have a more advanced version of Bluetooth than SteelSeries Arctis 9 Wireless. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP) | - | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 561 II are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| 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% | <0.3% | EPOS I SENNHEISER ADAPT 561 II have lower total harmonic distortion than SteelSeries Arctis 9 Wireless. |
| Sensitivity | 98 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 40 mm | - | |
| Features | - | Audio prompts |
| MICROPHONE | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Form Factor | Headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Bi-directional | Beamforming, MEMS-directional | |
| Frequency Response | 100 - 6500 Hz | 100 - 10000 Hz | EPOS I SENNHEISER ADAPT 561 II offer a larger microphone frequency range than SteelSeries Arctis 9 Wireless. |
| Sensitivity | -38 dBV/Pascal | - | |
| Impedance | 2200 Ohm | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Controls | Volume | - |
|---|
| CABLE | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Cable Type | USB charge cable - detachable | USB-C to USB-C cable - detachable |
|---|
| FEATURES | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Battery Type | Headset battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | 20 hour(s) | - | |
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 46 hours Continuous talk (noise cancelling OFF): up to 41 hours Continuous playback (noise cancelling ON): up to 24 hours Continuous talk (noise cancelling ON): up to 24 hours |
|
| Standby Time | - | 81 day | |
| Charging Time | - | 220 min |
| WIRELESS LINK | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Radio Frequency Range | 2.4GHz | - |
|---|
| OTHERS | SteelSeries Arctis 9 Wireless | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Included Accessories | - | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | |
|---|---|---|---|
| Software Certification | - | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | |
| Service & Support | - | Limited warranty - 2 years |
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