In depth comparison and review of KEF Porsche Design Space One and Sennheiser PXC 550-II. 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 | Sennheiser PXC 550-II |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 8.2 cm | 17.4 cm | |
| Width | 19.5 cm | 13.6 cm | |
| Depth | 17 cm | 6.3 cm | |
| Weight | 330 g | 227 g | Sennheiser PXC 550-II are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | KEF Porsche Design Space One | Sennheiser PXC 550-II |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Sennheiser PXC 550-II can be folded. |
| Connectivity Technology | Wireless, wired | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Sennheiser PXC 550-II 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, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 17 - 23000 Hz | Sennheiser PXC 550-II offer a larger frequency range than KEF Porsche Design Space One. |
| Max Input Power | 12 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.5% | |
| Sensitivity | 94 dB | 110 dB | Sennheiser PXC 550-II have higher sensitivity than KEF Porsche Design Space One. |
| Impedance | 16 Ohm | 490 Ohm | |
| Diaphragm | 40 mm | 32 mm | KEF Porsche Design Space One have a thicker diaphragm than Sennheiser PXC 550-II. |
| Magnet Material | Neodymium | - | |
| Features | Voice control, Bluetooth aptX technology | - |
| MICROPHONE | KEF Porsche Design Space One | Sennheiser PXC 550-II |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 50 - 10000 Hz | |
| Sensitivity | - | -34 dBV/Pascal | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | KEF Porsche Design Space One | Sennheiser PXC 550-II |
|---|
| Controls | - | Mute, volume, answer/end, hold, play/pause, next/previous track |
|---|
| CABLE | KEF Porsche Design Space One | Sennheiser PXC 550-II |
|---|
| Cable Type | Headphones cable - detachable | USB charge cable Audio cable |
|
|---|---|---|---|
| Detachable Cable | Yes | Yes |
| FEATURES | KEF Porsche Design Space One | Sennheiser PXC 550-II |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant, Alexa | |
| Additional Functions | - | Touch panel |
| BATTERY AND CHARGING | KEF Porsche Design Space One | Sennheiser PXC 550-II |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium | |
|---|---|---|---|
| Battery Capacity | 850 mAh | - | |
| Battery Life | 110 hour(s) | 30 hour(s) | KEF Porsche Design Space One lasts longer on a single charge than the Sennheiser PXC 550-II. |
| Battery Life Details | - | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
|
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | KEF Porsche Design Space One | Sennheiser PXC 550-II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
|---|
| OTHERS | KEF Porsche Design Space One | Sennheiser PXC 550-II |
|---|
| Included Accessories | - | Carrying case, airplane adapter | |
|---|---|---|---|
| Compliant Standards | - | MFI | |
| Service & Support | - | Limited warranty - 2 years |
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