In depth comparison and review of KEF Porsche Design Motion One and Poly - Plantronics Backbeat FIT 305. 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 | KEF Porsche Design Motion One | Poly - Plantronics Backbeat FIT 305 |
|---|
| Product Type | Headset - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 1.8 cm | - | |
| Width | 15.6 cm | - | |
| Depth | 18.7 cm | - | |
| Weight | 45 g | 14 g | Poly - Plantronics Backbeat FIT 305 are lighter than KEF Porsche Design Motion One headphones. |
| Colour | - | Black | Dark blue | Coral | Lime green | |
| Protection | Waterproof | 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 | KEF Porsche Design Motion One | Poly - Plantronics Backbeat FIT 305 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | - | <3% | |
| Sensitivity | 95 dB | 106 dB | Poly - Plantronics Backbeat FIT 305 have higher sensitivity than KEF Porsche Design Motion One. |
| Impedance | 16 Ohm | 16 Ohm | |
| Diaphragm | 8.6 mm | 6 mm | KEF Porsche Design Motion One have a thicker diaphragm than Poly - Plantronics Backbeat FIT 305. |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | KEF Porsche Design Motion One | Poly - Plantronics Backbeat FIT 305 |
|---|
| Type | - | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Mono | - |
| REMOTE CONTROL | KEF Porsche Design Motion One | Poly - Plantronics Backbeat FIT 305 |
|---|
| Controls | Mute, volume, answer/end, play/pause, skip track | Answer/end, play/pause, next/previous track |
|---|
| CABLE | KEF Porsche Design Motion One | Poly - Plantronics Backbeat FIT 305 |
|---|
| Cable Type | Headset cable - detachable - anti tangle USB charge cable Headset adapter |
Micro-USB charge cable |
|---|
| BATTERY AND CHARGING | KEF Porsche Design Motion One | Poly - Plantronics Backbeat FIT 305 |
|---|
| Battery Type | Headset battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 140 mAh | - | |
| Battery Life | 10 hour(s) | 6 hour(s) | KEF Porsche Design Motion One lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 305. |
| Standby Time | - | 240 hours | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | KEF Porsche Design Motion One | Poly - Plantronics Backbeat FIT 305 |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | KEF Porsche Design Motion One | Poly - Plantronics Backbeat FIT 305 |
|---|
| Included Accessories | Carrying case, 2 pairs of ear tips, clip | Carrying pouch, 3 pairs of ear tips (small, medium, large) |
|---|
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