In depth comparison and review of KEF Porsche Design Space One and Poly - Plantronics Backbeat FIT 505. 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 Space One | Poly - Plantronics Backbeat FIT 505 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 8.2 cm | 6.726 cm | |
| Width | 19.5 cm | 14.877 cm | |
| Depth | 17 cm | 17.155 cm | |
| Weight | 330 g | 155 g | Poly - Plantronics Backbeat FIT 505 are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | Black | |
| Earpad Material | - | Memory foam | |
| Headband Material | - | Memory foam | |
| Protection | - | Moisture-resistant, sweat-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | KEF Porsche Design Space One | Poly - Plantronics Backbeat FIT 505 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless, wired | 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) | |
| Active Noise Cancelling | Yes | - | KEF Porsche Design Space One are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 50 - 20000 Hz | KEF Porsche Design Space One offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
| Max Input Power | 12 mW | - | |
| Total Harmonic Distortion (THD) | - | <3% | |
| Sensitivity | 94 dB | - | |
| Impedance | 16 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 40 mm | Both headphones are designed with same thick diaphragm. |
| Magnet Material | Neodymium | - | |
| Features | Voice control, Bluetooth aptX technology | - |
| MICROPHONE | KEF Porsche Design Space One | Poly - Plantronics Backbeat FIT 505 |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | KEF Porsche Design Space One | Poly - Plantronics Backbeat FIT 505 |
|---|
| Controls | - | Answer/end, play/pause, next/previous track |
|---|
| CABLE | KEF Porsche Design Space One | Poly - Plantronics Backbeat FIT 505 |
|---|
| Cable Type | Headphones cable - detachable | Micro-USB charge cable Audio cable |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | KEF Porsche Design Space One | Poly - Plantronics Backbeat FIT 505 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 850 mAh | - | |
| Battery Life | 110 hour(s) | 18 hour(s) | KEF Porsche Design Space One lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 505. |
| Standby Time | - | 480 hours | |
| Charging Time | - | 1.5 hour(s) |
| WIRELESS LINK | KEF Porsche Design Space One | Poly - Plantronics Backbeat FIT 505 |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | KEF Porsche Design Space One | Poly - Plantronics Backbeat FIT 505 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
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