In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Sennheiser MOMENTUM Wireless. 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 | Sennheiser MOMENTUM Wireless |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | 227 g | - | |
| Colour | - | Black | |
| Body Material | - | Steel | |
| Earpad Material | - | Sheep leather | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Sennheiser MOMENTUM Wireless have a more advanced version of Bluetooth than EPOS I SENNHEISER IMPACT MB 660 UC. |
| 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), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, aptX | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 6 - 23000 Hz | Sennheiser MOMENTUM Wireless offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | - | |
| Max Sound Pressure | - | 99 dB |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | 50 - 10000 Hz | Sennheiser MOMENTUM Wireless offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Sensitivity | - | -34 dBV/Pascal | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Controls | - | Volume, auto shut off on/off switch |
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| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable USB charge cable USB-A to USB-C adapter |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Features | - | Transparent Hearing mode |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 17 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the Sennheiser MOMENTUM Wireless. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | 3 hour(s) | The charging of both headphones last the same time. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Connector Type | - | Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM Wireless |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Carrying case | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 5 | |
| Service & Support | Limited warranty - 2 years | 2-year warranty |
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