In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Poly - Plantronics Backbeat FIT 505. 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 FIT 505 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 6.726 cm | |
| Width | - | 14.877 cm | |
| Depth | - | 17.155 cm | |
| Weight | 227 g | 155 g | Poly - Plantronics Backbeat FIT 505 are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | Black | |
| Earpad Material | - | Memory foam | |
| Headband Material | - | Memory foam | |
| Protection | - | Moisture-resistant, sweat-resistant | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC have a greater operating distance than Poly - Plantronics Backbeat FIT 505. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat FIT 505 |
|---|
| 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 FIT 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) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| 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 | 50 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
| Total Harmonic Distortion (THD) | <0.5% | <3% | EPOS I SENNHEISER IMPACT MB 660 UC have lower total harmonic distortion than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat FIT 505 |
|---|
| 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 FIT 505 |
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| Controls | - | Answer/end, play/pause, next/previous track |
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| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat FIT 505 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Micro-USB charge cable Audio cable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat FIT 505 |
|---|
| 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 FIT 505. |
| Standby Time | 360 hours | 480 hours | Poly - Plantronics Backbeat FIT 505 have longer standby time than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Charging Time | 3 hours | 1.5 hour(s) | Poly - Plantronics Backbeat FIT 505 recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat FIT 505 |
|---|
| Transmission Range | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC have greater transmission range than Poly - Plantronics Backbeat FIT 505. |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Poly - Plantronics Backbeat FIT 505 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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