In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and SteelSeries Arctis 9X. 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 | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 227 g | - | |
| Colour | - | Black | |
| Earpad Material | - | Cloth | |
| Headband Material | - | Steel | |
| Recommended Use | Portable electronics, computer | Game console, portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | 6 m | EPOS I SENNHEISER IMPACT MB 660 UC have a greater operating distance than SteelSeries Arctis 9X. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.1 | EPOS I SENNHEISER IMPACT MB 660 UC have a more advanced version of Bluetooth than SteelSeries Arctis 9X. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP) | |
| Bluetooth Audio Codec | SBC, aptX | - | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 20 - 22000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than SteelSeries Arctis 9X. |
| Total Harmonic Distortion (THD) | <0.5% | <3% | EPOS I SENNHEISER IMPACT MB 660 UC have lower total harmonic distortion than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Sensitivity | 118 dB | 98 dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than SteelSeries Arctis 9X. |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Form Factor | Built-in | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Bi-directional | |
| Frequency Response | 150 - 6800 Hz | 100 - 10000 Hz | SteelSeries Arctis 9X offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphone Features | - | Mute function, retractable microphone | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Controls | - | Volume, on/off, answer/end, play/pause, next/previous track, equaliser preset |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Cable Type | Audio cable Micro-USB cable |
- |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 20 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the SteelSeries Arctis 9X. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Connector Type | - | Audio line-out (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | SteelSeries Arctis 9X |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | USB charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - parts and labour - 1 year |
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