In depth comparison and review of SteelSeries Arctis 9 Wireless and Sennheiser HMDC 27. 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 | Sennheiser HMDC 27 |
|---|
| Product Type | Headset - Bluetooth / 2.4 GHz radio frequency - wireless | Headset - wired | |
|---|---|---|---|
| Weight | - | 240 g | |
| Design | Games | - | |
| Recommended Use | Game console, portable electronics, computer | Professional audio | |
| Bluetooth Range (Operating Distance) | 12 m | - |
| SOUND QUALITY | SteelSeries Arctis 9 Wireless | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| 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) | - | |
| Active Noise Cancelling | - | Yes | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | DTS Headphone:X 2.0 | - | |
| Frequency Response | 20 - 20000 Hz | 8 - 18000 Hz | SteelSeries Arctis 9 Wireless offer a larger frequency range than Sennheiser HMDC 27. |
| Total Harmonic Distortion (THD) | <3% | <0.1% | Sennheiser HMDC 27 have lower total harmonic distortion than SteelSeries Arctis 9 Wireless. |
| Sensitivity | 98 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 128 dB | |
| Diaphragm | 40 mm | - |
| MICROPHONE | SteelSeries Arctis 9 Wireless | Sennheiser HMDC 27 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | Bi-directional | Hypercardioid | |
| Frequency Response | 100 - 6500 Hz | 40 - 18000 Hz | Sennheiser HMDC 27 offer a larger microphone frequency range than SteelSeries Arctis 9 Wireless. |
| Sensitivity | -38 dBV/Pascal | - | |
| Impedance | 2200 Ohm | - |
| REMOTE CONTROL | SteelSeries Arctis 9 Wireless | Sennheiser HMDC 27 |
|---|
| Controls | Volume | - |
|---|
| CABLE | SteelSeries Arctis 9 Wireless | Sennheiser HMDC 27 |
|---|
| Cable Type | USB charge cable - detachable | - |
|---|
| FEATURES | SteelSeries Arctis 9 Wireless | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | SteelSeries Arctis 9 Wireless | Sennheiser HMDC 27 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 20 hour(s) | - |
| WIRELESS LINK | SteelSeries Arctis 9 Wireless | Sennheiser HMDC 27 |
|---|
| Radio Frequency Range | 2.4GHz | - |
|---|
| OTHERS | SteelSeries Arctis 9 Wireless | Sennheiser HMDC 27 |
|---|
| Included Accessories | - | Wind screen, cable clip, headband padding |
|---|
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