Side by side comparison and review of Sennheiser HD 800 S and EPOS I SENNHEISER IMPACT MB 660 UC MS. 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 | Sennheiser HD 800 S | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Product Type | Headphones - wired | Headset - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | 330 g | 227 g | EPOS I SENNHEISER IMPACT MB 660 UC MS are lighter than Sennheiser HD 800 S headphones. |
| Colour | Black | - | |
| Headband Material | Metal, plastic | - | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 800 S | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Open | Closed | |
| Foldable | - | Yes | EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| 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 | 4 - 51000 Hz | 17 - 23000 Hz | Sennheiser HD 800 S offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Total Harmonic Distortion (THD) | 0.02% | 0.5% | Sennheiser HD 800 S have lower total harmonic distortion than Sennheiser HD 800 S. |
| Sensitivity | - | 118 dB | |
| Impedance | 300 Ohm | 46 Ohm |
| MICROPHONE | Sennheiser HD 800 S | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Frequency Response | - | 150 - 6800 Hz |
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| CABLE | Sennheiser HD 800 S | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Cable Type | Headphones cable - 3 m Audio cable |
Audio cable Micro-USB cable |
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| BATTERY AND CHARGING | Sennheiser HD 800 S | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 30 hours | |
| Standby Time | - | 360 hours | |
| Charging Time | - | 3 hours |
| WIRELESS LINK | Sennheiser HD 800 S | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Transmission Range | - | 25 m |
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| CONNECTIONS | Sennheiser HD 800 S | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
| OTHERS | Sennheiser HD 800 S | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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