In depth comparison and review of Sennheiser HD 4.20s and KEF Porsche Design Space One. 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 | Sennheiser HD 4.20s | KEF Porsche Design Space One |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 8.2 cm | |
| Width | - | 19.5 cm | |
| Depth | - | 17 cm | |
| Weight | - | 330 g | |
| Colour | Black | Titanium | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 4.20s | KEF Porsche Design Space One |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Active Noise Cancelling | - | Yes | KEF Porsche Design Space One are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Max Input Power | - | 12 mW | |
| Sensitivity | - | 94 dB | |
| Impedance | - | 16 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | - | Voice control, Bluetooth aptX technology |
| MICROPHONE | Sennheiser HD 4.20s | KEF Porsche Design Space One |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | KEF Porsche Design Space One |
|---|
| Controls | 1-button remote | - |
|---|
| CABLE | Sennheiser HD 4.20s | KEF Porsche Design Space One |
|---|
| Cable Type | - | Headphones cable - detachable | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.20s | KEF Porsche Design Space One |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 850 mAh | |
| Battery Life | - | 110 hour(s) |
| CONNECTIONS | Sennheiser HD 4.20s | KEF Porsche Design Space One |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 4.20s | KEF Porsche Design Space One |
|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
|---|
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