In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Poly - Plantronics Backbeat FIT 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 MS | Poly - Plantronics Backbeat FIT 500 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | - | 500 Series | |
| Weight | 227 g | - | |
| Colour | - | Teal | |
| Earpad Material | - | Memory foam | |
| Protection | - | Moisture-resistant, sweat-resistant | |
| Design | - | Sports | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| 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 FIT 500. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat FIT 500 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| 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 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 FIT 500 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat FIT 500 |
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| Controls | - | Volume, power on/off, answer/end, next/previous track |
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| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat FIT 500 |
|---|
| Cable Type | Audio cable Micro-USB cable |
- |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat FIT 500 |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| 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 FIT 500. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat FIT 500 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat FIT 500 |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat FIT 500 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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