Side by side comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Poly - Plantronics Backbeat 505. 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 | Poly - Plantronics Backbeat 505 |
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Product Type | Headset - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless - 3.5 mm jack | |
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Series | - | 500 Series | |
Weight | 227 g | 155 g | Poly - Plantronics Backbeat 505 are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
Colour | - | Dark grey | |
Earpad Material | - | Memory foam | |
Recommended Use | Portable electronics, computer | - | |
Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC MS have a greater operating distance than Poly - Plantronics Backbeat 505. |
SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat 505 |
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Headphones Form Factor | Full size | On-ear | |
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Headphones Technology | Dynamic | - | |
Ear Cups Type | Closed | - | |
Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded. |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.1 | EPOS I SENNHEISER IMPACT MB 660 UC MS have a more advanced version of Bluetooth than Poly - Plantronics Backbeat 505. |
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 | 17 - 23000 Hz | - | |
Total Harmonic Distortion (THD) | 0.5% | - | |
Sensitivity | 118 dB | - | |
Impedance | 46 Ohm | - | |
Diaphragm | - | 40 mm |
MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat 505 |
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Form Factor | - | Built-in | |
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Frequency Response | 150 - 6800 Hz | - |
REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat 505 |
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Controls | - | Volume, answer/end, play/pause, next/previous track |
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CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat 505 |
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Cable Type | Audio cable Micro-USB cable |
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BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat 505 |
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Battery Type | Headset battery rechargeable | Headphone battery rechargeable | |
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Battery Life | 30 hours | 18 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the Poly - Plantronics Backbeat 505. |
Standby Time | 360 hours | - | |
Charging Time | 3 hours | - |
WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat 505 |
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Transmission Range | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC MS have greater transmission range than Poly - Plantronics Backbeat 505. |
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CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat 505 |
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Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
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OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat 505 |
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Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
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Service & Support | Limited warranty - 2 years | - |