In depth comparison and review of Sennheiser CX 7.00BT and Poly - Plantronics Backbeat Pro 5100 (Left Earbud). 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 | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 5.8 g | |
| Dimensions & Weight Details | - | Charging case with earphones: 38.6 g | |
| Colour | Black | Black | |
| Protection | - | Sweat-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| 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 CX 7.00BT. |
| 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 | 17 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 7.00BT offer a larger frequency range than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Total Harmonic Distortion (THD) | 0.5% | <3% | Sennheiser CX 7.00BT have lower total harmonic distortion than Sennheiser CX 7.00BT. |
| Sensitivity | - | 94 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 5.8 mm |
| MICROPHONE | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Controls | - | Mute, volume, answer/end, play/pause, skip track, voice assistant |
|---|
| CABLE | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
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| Cable Type | USB charge cable | Micro-USB charge cable - detachable |
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| FEATURES | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Additional Functions | - | DSP |
| BATTERY AND CHARGING | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 170 mAh | 60 mAh | Sennheiser CX 7.00BT have a higher battery capacity than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Battery Life | 10 hour(s) | 6.5 hour(s) | Sennheiser CX 7.00BT 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 CX 7.00BT recharge faster than Sennheiser CX 7.00BT. |
| OTHERS | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Included Accessories | Carrying pouch, 4 ear tips (extra small, small, medium, large) | 2 pairs of ear tips (small, large), charging case (440 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IP54 |
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