In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Poly - Plantronics Backbeat GO 605. 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 GO 605 |
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| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 227 g | 175 g | Poly - Plantronics Backbeat GO 605 are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Colour | - | Black | |
| Earpad Material | - | Memory foam | |
| 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 GO 605. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat GO 605 |
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| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| 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 4.1 | EPOS I SENNHEISER IMPACT MB 660 UC MS have a more advanced version of Bluetooth than Poly - Plantronics Backbeat GO 605. |
| 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 | |
| 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 | - | |
| Frequency Response | 17 - 23000 Hz | 50 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than Poly - Plantronics Backbeat GO 605. |
| Total Harmonic Distortion (THD) | 0.5% | <3% | EPOS I SENNHEISER IMPACT MB 660 UC MS have lower total harmonic distortion than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Sensitivity | 118 dB | 92 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than Poly - Plantronics Backbeat GO 605. |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly - Plantronics Backbeat GO 605 have the ability to connect to multiple devices simultaneously. |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat GO 605 |
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| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat GO 605 |
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| Controls | - | Play/pause, next/previous track |
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| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat GO 605 |
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| Cable Type | Audio cable Micro-USB cable |
USB charge cable Audio cable |
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| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat GO 605 |
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| 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 GO 605. |
| Standby Time | 360 hours | 480 hours | Poly - Plantronics Backbeat GO 605 have longer standby time than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Charging Time | 3 hours | 90 min | Poly - Plantronics Backbeat GO 605 recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat GO 605 |
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| Transmission Range | 25 m | - |
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| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Poly - Plantronics Backbeat GO 605 |
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| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Carrying pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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