In depth comparison and review of Poly - Plantronics Backbeat FIT 305 and Sennheiser CX 7.00BT. 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 305 | Sennheiser CX 7.00BT |
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| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | 14 g | - | |
| Colour | Black | Dark blue | Coral | Lime green | Black | |
| Protection | Sweat-resistant | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 7.00BT |
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| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.1 | 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 17 - 21000 Hz | Sennheiser CX 7.00BT offer a larger frequency range than Poly - Plantronics Backbeat FIT 305. |
| Total Harmonic Distortion (THD) | <3% | 0.5% | Sennheiser CX 7.00BT have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 305. |
| Sensitivity | 106 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 112 dB | |
| Diaphragm | 6 mm | - |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 7.00BT |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Sensitivity | - | -44 dBV/Pascal |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 7.00BT |
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| Controls | Answer/end, play/pause, next/previous track | - |
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| CABLE | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 7.00BT |
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| Cable Type | Micro-USB charge cable | USB charge cable |
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| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 7.00BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 170 mAh | |
| Battery Life | 6 hour(s) | 10 hour(s) | Sennheiser CX 7.00BT lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 305. |
| Standby Time | 240 hours | - | |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser CX 7.00BT recharge faster than Poly - Plantronics Backbeat FIT 305. |
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Sennheiser CX 7.00BT |
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| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | Carrying pouch, 4 ear tips (extra small, small, medium, large) |
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