In depth comparison and review of KEF Porsche Design Space One and Poly Voyager 4220. 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 Voyager 4220 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | 4200 UC Series | |
| Height | 8.2 cm | - | |
| Width | 19.5 cm | - | |
| Depth | 17 cm | - | |
| Weight | 330 g | 150 g | Poly Voyager 4220 are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | KEF Porsche Design Space One | Poly Voyager 4220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless, wired | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Poly Voyager 4220 have a more advanced version of Bluetooth than KEF Porsche Design Space One. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, mSBC | |
| 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 | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 12 mW | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 16 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | KEF Porsche Design Space One have a thicker diaphragm than Poly Voyager 4220. |
| Magnet Material | Neodymium | - | |
| Features | Voice control, Bluetooth aptX technology | SoundGuard DIGITAL Technology |
| MICROPHONE | KEF Porsche Design Space One | Poly Voyager 4220 |
|---|
| Form Factor | Built-in | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Uni-directional, MEMS-directional | |
| Noise Cancelling | - | Yes | Poly Voyager 4220 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 6800 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | KEF Porsche Design Space One | Poly Voyager 4220 |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | KEF Porsche Design Space One | Poly Voyager 4220 |
|---|
| Cable Type | Headphones cable - detachable | - | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | KEF Porsche Design Space One | Poly Voyager 4220 |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | KEF Porsche Design Space One | Poly Voyager 4220 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 850 mAh | 360 mAh | KEF Porsche Design Space One have a higher battery capacity than Poly Voyager 4220. |
| Battery Life | 110 hour(s) | 15 hour(s) | KEF Porsche Design Space One lasts longer on a single charge than the Poly Voyager 4220. |
| Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
|
| Standby Time | - | 312 hours | |
| Charging Time | - | 1.5 hour(s) |
| CONNECTIONS | KEF Porsche Design Space One | Poly Voyager 4220 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | KEF Porsche Design Space One | Poly Voyager 4220 |
|---|
| Included Accessories | - | Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams |
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