Detailed comparison and review of Poly - Plantronics Backbeat FIT 3150 and Sennheiser CX Plus. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX Plus |
|---|
| 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: 5.9 cm x 3.38 cm x 4.23 cm / 6 g Charging case: 35 g |
|
| Colour | Black, blue | Black | White | Black | |
| 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 Plus |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Sennheiser CX Plus 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, aptX Adaptive | |
| Active Noise Cancelling | - | Yes | Sennheiser CX Plus are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | Bass Boost | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX Plus offer a larger frequency range than Poly - Plantronics Backbeat FIT 3150. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 94 dB | - | |
| Diaphragm | 13.5 mm | 7 mm | Poly - Plantronics Backbeat FIT 3150 have a thicker diaphragm than Sennheiser CX Plus. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Features | - | TrueResponse technology |
| MICROPHONE | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX Plus |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX Plus |
|---|
| Controls | Mute, volume control, answer/end, play/pause, next/previous track, voice assistant | - |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX Plus |
|---|
| Cable Type | Micro-USB charge cable - detachable | USB-C charge cable - detachable |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX Plus |
|---|
| Features | Voice alerts | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX Plus |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 90 mAh | 55 mAh | Poly - Plantronics Backbeat FIT 3150 have a higher battery capacity than Sennheiser CX Plus. |
| Battery Life | 8 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 24 hours |
Continuous playback (with included charging case): up to 24 hours | |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser CX Plus recharge faster than Poly - Plantronics Backbeat FIT 3150. |
| Included Qty | 2 | 2 |
| OTHERS | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX Plus |
|---|
| Included Accessories | USB charging cable, charging case (740 mAh) | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 2 years |
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