In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Poly - Plantronics Backbeat 500. 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 | Poly - Plantronics Backbeat 500 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | 155 g | Poly - Plantronics Backbeat 500 are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | White | 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 have a greater operating distance than Poly - Plantronics Backbeat 500. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat 500 |
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| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC 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 have a more advanced version of Bluetooth than Poly - Plantronics Backbeat 500. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | - | |
| Bluetooth Audio Codec | SBC, aptX | - | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| 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 | Poly - Plantronics Backbeat 500 |
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| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat 500 |
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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 | Poly - Plantronics Backbeat 500 |
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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 | Poly - Plantronics Backbeat 500 |
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| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 18 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the Poly - Plantronics Backbeat 500. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat 500 |
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| Transmission Range | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC have greater transmission range than Poly - Plantronics Backbeat 500. |
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| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat 500 |
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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 | Poly - Plantronics Backbeat 500 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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