In depth comparison and review of Sennheiser CX SPORT 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 SPORT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 31.85 cm | - | |
| Width | 4.52 cm | - | |
| Depth | 1.43 cm | - | |
| Weight | 15.07 g | 5.8 g | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) are lighter than Sennheiser CX SPORT headphones. |
| Dimensions & Weight Details | - | Charging case with earphones: 38.6 g | |
| Colour | - | Black | |
| Protection | Splashproof, sweat-resistant | Sweat-resistant, water-resistant | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX SPORT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) have a more advanced version of Bluetooth than Sennheiser CX SPORT. |
| 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) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | - | |
| 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 SPORT offer a larger frequency range than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Total Harmonic Distortion (THD) | 0.5% | <3% | Sennheiser CX SPORT have lower total harmonic distortion than Sennheiser CX SPORT. |
| Sensitivity | - | 94 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 5.8 mm |
| MICROPHONE | Sennheiser CX SPORT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Sennheiser CX SPORT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Controls | 3-button remote | Mute, volume, answer/end, play/pause, skip track, voice assistant |
|---|
| CABLE | Sennheiser CX SPORT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Cable Type | Charging cable - detachable | Micro-USB charge cable - detachable |
|---|
| FEATURES | Sennheiser CX SPORT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Additional Functions | - | DSP |
| BATTERY AND CHARGING | Sennheiser CX SPORT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 60 mAh | |
| Battery Life | 6 hour(s) | 6.5 hour(s) | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) lasts longer on a single charge than the Sennheiser CX SPORT. |
| 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 SPORT recharge faster than Sennheiser CX SPORT. |
| OTHERS | Sennheiser CX SPORT | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) |
|---|
| Included Accessories | USB charging cable, cable clip, 4 pairs of ear tips (XS, S,M, L), 3 pairs of ear sleeves (S, M, L), neoprene pouch | 2 pairs of ear tips (small, large), charging case (440 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IP54 | |
| Service & Support | Limited warranty - 2 years | - |
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