Side by side comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Poly - Plantronics Backbeat Pro 2 SE. 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 SC 660 TC | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | 113 g | 289 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 100 m |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| 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 SE are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | Poly - Plantronics Backbeat Pro 2 SE offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | 93 dB | EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than Poly - Plantronics Backbeat Pro 2 SE. |
| Impedance | 200 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 150 - 6800 Hz | - |
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Cable Type | Headset cable - 1 m | USB charge cable Headphones cable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 680 mAh | |
| Battery Life | - | 24 hour(s) | |
| Standby Time | - | 4380 hours | |
| Charging Time | - | 3 hours |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Connector Type | Headset (EasyDisconnect) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Travel pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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