Side by side comparison and review of Poly - Plantronics Backbeat FIT 305 and Sennheiser CX 150BT. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 150BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 14 g | 12 g | Sennheiser CX 150BT are lighter than Poly - Plantronics Backbeat FIT 305 headphones. |
| Colour | Black | Dark blue | Coral | Lime green | Black | White | |
| Protection | Sweat-resistant | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 150BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Sennheiser CX 150BT 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), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 17 - 20000 Hz | Sennheiser CX 150BT offer a larger frequency range than Poly - Plantronics Backbeat FIT 305. |
| Total Harmonic Distortion (THD) | <3% | 0.5% | Sennheiser CX 150BT have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 305. |
| Sensitivity | 106 dB | - | |
| Impedance | 16 Ohm | 28 Ohm | |
| Max Sound Pressure | - | 100 dB | |
| Diaphragm | 6 mm | - |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 150BT |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 150BT |
|---|
| Controls | Answer/end, play/pause, next/previous track | 3-button remote |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 150BT |
|---|
| Cable Type | Micro-USB charge cable | USB-C charge cable |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 150BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 6 hour(s) | 10 hour(s) | Sennheiser CX 150BT lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 305. |
| Standby Time | 240 hours | - | |
| Charging Time | 2 hour(s) | - |
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 150BT |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | 4 pairs of ear tips (XS, S,M, L) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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