In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Sennheiser MOMENTUM M3AEBTXL. 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 M3AEBTXL |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | 227 g | - | |
| Colour | - | Sandy white | |
| 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 M3AEBTXL |
|---|
| 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 M3AEBTXL 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 | - | |
| Frequency Response | 17 - 23000 Hz | 6 - 23000 Hz | Sennheiser MOMENTUM M3AEBTXL 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 M3AEBTXL |
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| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | 50 - 10000 Hz | Sennheiser MOMENTUM M3AEBTXL offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Sensitivity | - | -34 dB | |
| Microphones Included | 3 | 2 | EPOS I SENNHEISER IMPACT MB 660 UC have a built-in microphone. |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM M3AEBTXL |
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| Controls | - | Volume, balance, microphone on/mute, play/pause, auto shut off on/off switch |
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| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM M3AEBTXL |
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| Cable Type | Audio cable Micro-USB cable |
Headphones cable - detachable - straight |
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| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM M3AEBTXL |
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| Features | - | Transparent Hearing mode |
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| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM M3AEBTXL |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| 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 M3AEBTXL. |
| 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 M3AEBTXL |
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| Transmission Range | 25 m | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser MOMENTUM M3AEBTXL |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Carrying case | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 5 | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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