Detailed comparison and review of Poly - Plantronics Backbeat FIT 3150 and Sennheiser CX 350BT. 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 350BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 26 g | 13 g | Sennheiser CX 350BT are lighter than Poly - Plantronics Backbeat FIT 3150 headphones. |
| Dimensions & Weight Details | Earbud: 13 g Charging case: 89 g |
- | |
| Colour | Black, blue | Black | Black | White | |
| Protection | Waterproof, sweat-resistant, IP57 | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX 350BT |
|---|
| 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 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, apt-X LL | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | <3% | 0.5% | Sennheiser CX 350BT have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 3150. |
| Sensitivity | 94 dB | - | |
| Max Sound Pressure | - | 110 dB | |
| Diaphragm | 13.5 mm | - |
| MICROPHONE | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX 350BT |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Microphone Operation Mode | - | Mono | |
| Audio Input Details | - | Omni-directional |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX 350BT |
|---|
| Controls | Mute, volume control, answer/end, play/pause, next/previous track, voice assistant | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX 350BT |
|---|
| Cable Type | Micro-USB charge cable - detachable | - |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX 350BT |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX 350BT |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 90 mAh | - | |
| Battery Life | 8 hour(s) | 10 hour(s) | Sennheiser CX 350BT 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: up to 10 hours Standby: up to 340 hours |
|
| Charging Time | 2 hour(s) | - | |
| Included Qty | 2 | - |
| OTHERS | Poly - Plantronics Backbeat FIT 3150 | Sennheiser CX 350BT |
|---|
| Included Accessories | USB charging cable, charging case (740 mAh) | 4 pairs of earpads (extra small, small, medium, large) | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 2 years |
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