In depth comparison and review of Poly - Plantronics Backbeat FIT 3150 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 FIT 3150 | Sennheiser CX True Wireless |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 26 g | - | |
| Dimensions & Weight Details | Earbud: 13 g Charging case: 89 g |
Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
|
| Colour | Black, blue | Black | Black | White | |
| Protection | Waterproof, sweat-resistant, IP57 | Splashproof, IPX4 | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX True Wireless |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | 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 FIT 3150. |
| 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 | |
| Noise Isolating | - | Yes | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | Bass Boost | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX True Wireless offer a larger frequency range than Poly - Plantronics Backbeat FIT 3150. |
| Total Harmonic Distortion (THD) | <3% | <0.08% | Sennheiser CX True Wireless have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 3150. |
| Sensitivity | 94 dB | 110 dB | Sennheiser CX True Wireless have higher sensitivity than Poly - Plantronics Backbeat FIT 3150. |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | - | 110 dB | |
| Diaphragm | 13.5 mm | 7 mm | Poly - Plantronics Backbeat FIT 3150 have a thicker diaphragm than Sennheiser CX True Wireless. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Features | - | TrueResponse technology |
| MICROPHONE | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX True Wireless |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX True Wireless |
|---|
| Controls | Mute, volume control, answer/end, play/pause, next/previous track, voice assistant | - |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX True Wireless |
|---|
| Cable Type | Micro-USB charge cable - detachable | USB-C charge cable - detachable - 25 cm |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX True Wireless |
|---|
| Features | Voice alerts | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX True Wireless |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 90 mAh | 60 mAh | Poly - Plantronics Backbeat FIT 3150 have a higher battery capacity than Sennheiser CX True Wireless. |
| Battery Life | 8 hour(s) | 9 hour(s) | Sennheiser CX True Wireless lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 3150. |
| Battery Life Details | Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 24 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 FIT 3150. |
| Included Qty | 2 | 2 |
| OTHERS | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX True Wireless |
|---|
| Included Accessories | USB charging cable, charging case (740 mAh) | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | Limited warranty - parts and labour - 1 year | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
