Side by side comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Sennheiser GSP 550. 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 | Sennheiser GSP 550 |
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Product Type | Headset - Bluetooth - wireless - NFC | Headset - wired - USB | |
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Series | - | Gaming | |
Weight | 227 g | 358 g | EPOS I SENNHEISER IMPACT MB 660 UC MS are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
Colour | - | Black | |
Recommended Use | Portable electronics, computer | Computer | |
Gaming | - | Yes | |
Bluetooth Range (Operating Distance) | 25 m | - |
SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sennheiser GSP 550 |
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Headphones Form Factor | Full size | Full size | |
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Headphones Technology | Dynamic | Dynamic | |
Ear Cups Type | Closed | Open | |
Adjustable Headband | - | Yes | |
Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded. |
Connectivity Technology | Wireless | Wired | |
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 | - | |
Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
Frequency Response | 17 - 23000 Hz | 10 - 30000 Hz | Sennheiser GSP 550 offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
Total Harmonic Distortion (THD) | 0.5% | - | |
Sensitivity | 118 dB | 107 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than Sennheiser GSP 550. |
Impedance | 46 Ohm | 28 Ohm |
MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sennheiser GSP 550 |
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Type | - | Boom | |
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Microphone Operation Mode | - | Bi-directional | |
Frequency Response | 150 - 6800 Hz | 10 - 18000 Hz | Sennheiser GSP 550 offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
Sensitivity | - | -47 dBV/Pascal |
CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sennheiser GSP 550 |
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Cable Type | Audio cable Micro-USB cable |
Headset cable - 1.2 m | |
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Cable Length | - | 1.2 m |
BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sennheiser GSP 550 |
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Battery Type | Headset battery rechargeable | - | |
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Battery Life | 30 hours | - | |
Standby Time | 360 hours | - | |
Charging Time | 3 hours | - |
WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sennheiser GSP 550 |
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Transmission Range | 25 m | - |
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CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sennheiser GSP 550 |
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Connector Type | - | USB (4 PIN USB Type A) |
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OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sennheiser GSP 550 |
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Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
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Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |