In depth comparison and review of SteelSeries Arctis 9X 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 9X | Sennheiser HMDC 27 |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired | |
|---|---|---|---|
| Weight | - | 240 g | |
| Colour | Black | - | |
| Earpad Material | Cloth | - | |
| Headband Material | Steel | - | |
| Recommended Use | Game console, portable electronics | Professional audio | |
| Bluetooth Range (Operating Distance) | 6 m | - |
| SOUND QUALITY | SteelSeries Arctis 9X | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| 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 | |
| Frequency Response | 20 - 22000 Hz | 8 - 18000 Hz | SteelSeries Arctis 9X 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 9X. |
| Sensitivity | 98 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 128 dB | |
| Diaphragm | 40 mm | - |
| MICROPHONE | SteelSeries Arctis 9X | Sennheiser HMDC 27 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | Bi-directional | Hypercardioid | |
| Frequency Response | 100 - 10000 Hz | 40 - 18000 Hz | Sennheiser HMDC 27 offer a larger microphone frequency range than SteelSeries Arctis 9X. |
| Sensitivity | -38 dBV/Pascal | - | |
| Microphone Features | Mute function, retractable microphone | - |
| REMOTE CONTROL | SteelSeries Arctis 9X | Sennheiser HMDC 27 |
|---|
| Controls | Volume, on/off, answer/end, play/pause, next/previous track, equaliser preset | - |
|---|
| FEATURES | SteelSeries Arctis 9X | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | SteelSeries Arctis 9X | Sennheiser HMDC 27 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 20 hour(s) | - |
| CONNECTIONS | SteelSeries Arctis 9X | Sennheiser HMDC 27 |
|---|
| Connector Type | Audio line-out (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | SteelSeries Arctis 9X | Sennheiser HMDC 27 |
|---|
| Included Accessories | USB charging cable | Wind screen, cable clip, headband padding | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 1 year | - |
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