Side by side comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and SOUL X-TRA. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 20 cm | |
| Width | - | 16.4 cm | |
| Depth | - | 7.2 cm | |
| Weight | 227 g | 198 g | SOUL X-TRA are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Colour | - | Blue | |
| Design | - | Sports | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC MS have a greater operating distance than SOUL X-TRA. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.0 | EPOS I SENNHEISER IMPACT MB 660 UC MS have a more advanced version of Bluetooth than SOUL X-TRA. |
| 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), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Control | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than SOUL X-TRA. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | - | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Controls | - | Volume, on/off, answer/end, play/pause, next/previous track, reject call, redial |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Cable Type | Audio cable Micro-USB cable |
USB charge cable - detachable Headphones cable - detachable - straight |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 320 mAh | |
| Battery Life | 30 hours | 24 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the SOUL X-TRA. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | 2 hour(s) | SOUL X-TRA recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Transmission Range | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC MS have greater transmission range than SOUL X-TRA. |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | SOUL X-TRA |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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