In depth comparison and review of Poly - Plantronics Backbeat Pro 5100 (Left Earbud) and Sennheiser CX True Wireless. 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 | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Sennheiser CX True Wireless |
---|
Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
---|---|---|---|
Weight | 5.8 g | - | |
Dimensions & Weight Details | Charging case with earphones: 38.6 g | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
|
Colour | Black | Black | White | |
Protection | Sweat-resistant, water-resistant | Splashproof, IPX4 | |
Recommended Use | Portable electronics | Portable electronics | |
Bluetooth Range (Operating Distance) | 10 m | - |
SOUND QUALITY | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Sennheiser CX True Wireless |
---|
Headphones Form Factor | In-ear | In-ear | |
---|---|---|---|
Headphones Technology | - | Dynamic | |
Ear Cups Type | - | Closed | |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Sennheiser CX True Wireless have a more advanced version of Bluetooth than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
Bluetooth Profiles | Hands-Free Profile (HFP), 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 | |
Active Noise Cancelling | Yes | - | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) are equipped with active noice cancellation. |
Active Noise Cancelling Technology | WindSmart technology | - | |
Noise Isolating | - | Yes | Sennheiser CX True Wireless are equipped with a noise isolating function. |
Sound Output Mode | Stereo | Stereo | |
Sound Effects | - | Bass Boost | |
Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX True Wireless offer a larger frequency range than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
Total Harmonic Distortion (THD) | <3% | <0.08% | Sennheiser CX True Wireless have lower total harmonic distortion than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
Sensitivity | 94 dB | 110 dB | Sennheiser CX True Wireless have higher sensitivity than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
Impedance | 16 Ohm | 16 Ohm | |
Max Sound Pressure | - | 110 dB | |
Diaphragm | 5.8 mm | 7 mm | Sennheiser CX True Wireless have a thicker diaphragm than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
Features | - | TrueResponse technology |
MICROPHONE | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Sennheiser CX True Wireless |
---|
Form Factor | Built-in | Built-in | |
---|---|---|---|
Frequency Response | - | 100 - 10000 Hz | |
Microphones Included | - | 4 |
REMOTE CONTROL | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Sennheiser CX True Wireless |
---|
Controls | Mute, volume, answer/end, play/pause, skip track, voice assistant | - |
---|
CABLE | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Sennheiser CX True Wireless |
---|
Cable Type | Micro-USB charge cable - detachable | USB-C charge cable - detachable - 25 cm |
---|
FEATURES | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Sennheiser CX True Wireless |
---|
Features | Voice alerts | Touch control | |
---|---|---|---|
Internet of Things (IoT) Compatible | - | Yes | |
Voice Control | - | Indirect | |
Intelligent Assistant | - | Siri, Google Assistant | |
Additional Functions | DSP | - |
BATTERY AND CHARGING | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Sennheiser CX True Wireless |
---|
Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
---|---|---|---|
Battery Capacity | 60 mAh | 60 mAh | Both headphones are designed with the same battery capacity. |
Battery Life | 6.5 hour(s) | 9 hour(s) | Sennheiser CX True Wireless 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 |
Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
|
Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser CX True Wireless recharge faster than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
Included Qty | - | 2 |
OTHERS | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Sennheiser CX True Wireless |
---|
Included Accessories | 2 pairs of ear tips (small, large), charging case (440 mAh) | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | |
---|---|---|---|
Compliant Standards | IP54 | Bluetooth Class 1 |