Side by side comparison and review of Poly - Plantronics Backbeat Pro 2 and EPOS I SENNHEISER IMPACT SC 660 TC. 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 | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - Easy Disconnect | |
|---|---|---|---|
| Weight | 289 g | 113 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than Poly - Plantronics Backbeat Pro 2 headphones. |
| Colour | Black | Black with silver | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 100 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 EDR | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | Yes | - | Poly - Plantronics Backbeat Pro 2 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 50 - 18000 Hz | Poly - Plantronics Backbeat Pro 2 offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 93 dB | 103 dB | EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than Poly - Plantronics Backbeat Pro 2. |
| Impedance | 32 Ohm | 200 Ohm | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Form Factor | Built-in | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 150 - 6800 Hz |
| REMOTE CONTROL | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
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| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
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| Cable Type | USB charge cable Headphones cable |
Headset cable - 1 m |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 24 hour(s) | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
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| Transmission Range | 100 m | - |
|---|
| CONNECTIONS | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (EasyDisconnect) |
|---|
| OTHERS | Poly - Plantronics Backbeat Pro 2 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Included Accessories | Travel pouch | Carrying pouch, leatherette ear pads, cable clip | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 3 years |
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