In depth comparison and review of KEF Porsche Design Space One and JVC HA S31M. 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 S31M |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Height | 8.2 cm | - | |
| Width | 19.5 cm | - | |
| Depth | 17 cm | - | |
| Weight | 330 g | 140 g | JVC HA S31M are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | KEF Porsche Design Space One | JVC HA S31M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Active Noise Cancelling | Yes | - | KEF Porsche Design Space One are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 10 - 26000 Hz | JVC HA S31M offer a larger frequency range than KEF Porsche Design Space One. |
| Max Input Power | 12 mW | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 16 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | Neodymium | |
| Features | Voice control, Bluetooth aptX technology | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | KEF Porsche Design Space One | JVC HA S31M |
|---|
| Form Factor | Built-in | - |
|---|
| REMOTE CONTROL | KEF Porsche Design Space One | JVC HA S31M |
|---|
| Controls | - | 4-button remote |
|---|
| CABLE | KEF Porsche Design Space One | JVC HA S31M |
|---|
| Cable Type | Headphones cable - detachable | Headphones cable - single-sided - L shaped - 1.2 m | |
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | Yes | - | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | KEF Porsche Design Space One | JVC HA S31M |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 850 mAh | - | |
| Battery Life | 110 hour(s) | - |
| CONNECTIONS | KEF Porsche Design Space One | JVC HA S31M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | KEF Porsche Design Space One | JVC HA S31M |
|---|
| Compatibility | - | iPhone |
|---|
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