Detailed comparison and review of Poly - Plantronics Backbeat FIT 305 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 305 | Sennheiser CX Plus |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 14 g | - | |
| Dimensions & Weight Details | - | Earbud: 5.9 cm x 3.38 cm x 4.23 cm / 6 g Charging case: 35 g |
|
| Colour | Black | Dark blue | Coral | Lime green | White | Black | |
| Protection | Sweat-resistant | Splashproof, IPX4 | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX Plus |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Sennheiser CX Plus have a more advanced version of Bluetooth than Poly - Plantronics Backbeat FIT 305. |
| 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 | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX Plus offer a larger frequency range than Poly - Plantronics Backbeat FIT 305. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 106 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | 7 mm | Sennheiser CX Plus have a thicker diaphragm than Poly - Plantronics Backbeat FIT 305. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Features | - | TrueResponse technology |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX Plus |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX Plus |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX Plus |
|---|
| Cable Type | Micro-USB charge cable | USB-C charge cable - detachable |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX Plus |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX Plus |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 6 hour(s) | - | |
| Battery Life Details | - | Continuous playback (with included charging case): up to 24 hours | |
| Standby Time | 240 hours | - | |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser CX Plus recharge faster than Poly - Plantronics Backbeat FIT 305. |
| Included Qty | - | 2 |
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX Plus |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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