In depth comparison and review of KEF Porsche Design Space One and JVC HA S31BT. 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 | JVC HA S31BT |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 8.2 cm | - | |
| Width | 19.5 cm | - | |
| Depth | 17 cm | - | |
| Weight | 330 g | 158 g | JVC HA S31BT are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | KEF Porsche Design Space One | JVC HA S31BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Foldable | - | Yes | JVC HA S31BT can be folded. |
| 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) | |
| Bluetooth Audio Codec | - | SBC | |
| Active Noise Cancelling | Yes | - | KEF Porsche Design Space One are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Dynamic Bass Boost (DBB) | |
| 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 | 30.7 mm | KEF Porsche Design Space One have a thicker diaphragm than JVC HA S31BT. |
| Magnet Material | Neodymium | Ferrite | |
| Features | Voice control, Bluetooth aptX technology | - |
| MICROPHONE | KEF Porsche Design Space One | JVC HA S31BT |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | KEF Porsche Design Space One | JVC HA S31BT |
|---|
| Controls | - | 4-button remote |
|---|
| CABLE | KEF Porsche Design Space One | JVC HA S31BT |
|---|
| Cable Type | Headphones cable - detachable | USB charge cable - detachable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | KEF Porsche Design Space One | JVC HA S31BT |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 850 mAh | - | |
| Battery Life | 110 hour(s) | 17 hour(s) | KEF Porsche Design Space One lasts longer on a single charge than the JVC HA S31BT. |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | KEF Porsche Design Space One | JVC HA S31BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (power only) (micro-USB) |
|---|
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