Side by side comparison and review of Sennheiser MOMENTUM M2 IEBT and Poly - Plantronics Backbeat Pro 5100 (Left Earbud). 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 | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 53 g | 5.8 g | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) are lighter than Sennheiser MOMENTUM M2 IEBT headphones. |
| Dimensions & Weight Details | - | Charging case with earphones: 38.6 g | |
| Colour | Black | Black | |
| Earpad Material | Stainless steel | - | |
| Protection | - | Sweat-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) have a more advanced version of Bluetooth than Sennheiser MOMENTUM M2 IEBT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | WindSmart technology | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 15 - 22000 Hz | 20 - 20000 Hz | Sennheiser MOMENTUM M2 IEBT offer a larger frequency range than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Total Harmonic Distortion (THD) | <0.5% | <3% | Sennheiser MOMENTUM M2 IEBT have lower total harmonic distortion than Sennheiser MOMENTUM M2 IEBT. |
| Sensitivity | 112 dB | 94 dB | Sennheiser MOMENTUM M2 IEBT have higher sensitivity than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Impedance | 18 Ohm | 16 Ohm | |
| Diaphragm | - | 5.8 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | Sennheiser MOMENTUM M2 IEBT have the ability to connect to multiple devices simultaneously. |
| Features | Voice guidance | - |
| MICROPHONE | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Controls | Power on/off, volume control, play/pause button, next/previous track | Mute, volume, answer/end, play/pause, skip track, voice assistant |
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| CABLE | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Cable Type | Micro-USB charge cable - detachable | Micro-USB charge cable - detachable |
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| FEATURES | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Features | - | Voice alerts | |
|---|---|---|---|
| Additional Functions | - | DSP |
| BATTERY AND CHARGING | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 170 mAh | 60 mAh | Sennheiser MOMENTUM M2 IEBT have a higher battery capacity than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Battery Life | 10 hour(s) | 6.5 hour(s) | Sennheiser MOMENTUM M2 IEBT lasts longer on a single charge than the Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Battery Life Details | - | Continuous playback: up to 6.5 hours Continuous talk: up to 4 hours Continuous playback (with included charging case): up to 19 hours |
|
| Charging Time | 1.5 hour(s) | 2 hour(s) | Sennheiser MOMENTUM M2 IEBT recharge faster than Sennheiser MOMENTUM M2 IEBT. |
| WIRELESS LINK | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Transmission Range | 10 m | - |
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| OTHERS | Sennheiser MOMENTUM M2 IEBT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Included Accessories | Carrying case, 4 pairs of ear tips (supersmall, small, medium, large) | 2 pairs of ear tips (small, large), charging case (440 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IP54 |
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