In depth comparison and review of KEF Porsche Design Space One and Bowers & Wilkins PX7. 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 | Bowers & Wilkins PX7 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | 8.2 cm | 22 cm | |
| Width | 19.5 cm | 17.5 cm | |
| Depth | 17 cm | 8 cm | |
| Weight | 330 g | 304 g | Bowers & Wilkins PX7 are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | Carbon | Space grey | Silver | |
| Earpad Material | - | Soft leather, memory foam | |
| Headband Material | - | Carbon fibre | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | KEF Porsche Design Space One | Bowers & Wilkins PX7 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wireless, wired | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Bowers & Wilkins PX7 have a more advanced version of Bluetooth than KEF Porsche Design Space One. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Generic Access Profile (GAP), Service Discovery Application Profile (SDAP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Noise Isolating | - | Yes | Bowers & Wilkins PX7 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 30000 Hz | Bowers & Wilkins PX7 offer a larger frequency range than KEF Porsche Design Space One. |
| Max Input Power | 12 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 94 dB | 111 dB | Bowers & Wilkins PX7 have higher sensitivity than KEF Porsche Design Space One. |
| Impedance | 16 Ohm | 20 Ohm | |
| Diaphragm | 40 mm | 43.6 mm | Bowers & Wilkins PX7 have a thicker diaphragm than KEF Porsche Design Space One. |
| Magnet Material | Neodymium | - | |
| Features | Voice control, Bluetooth aptX technology | - |
| MICROPHONE | KEF Porsche Design Space One | Bowers & Wilkins PX7 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Bowers & Wilkins PX7 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | CVC2 (Clear Voice Communication v2) | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | KEF Porsche Design Space One | Bowers & Wilkins PX7 |
|---|
| Controls | - | Volume control, on/off, answer/end, play/pause, next/previous track |
|---|
| CABLE | KEF Porsche Design Space One | Bowers & Wilkins PX7 |
|---|
| Cable Type | Headphones cable - detachable | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
|
|---|---|---|---|
| Detachable Cable | Yes | Yes |
| FEATURES | KEF Porsche Design Space One | Bowers & Wilkins PX7 |
|---|
| Sensors | - | Proximity sensor |
|---|
| BATTERY AND CHARGING | KEF Porsche Design Space One | Bowers & Wilkins PX7 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| 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 Bowers & Wilkins PX7. |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
| CONNECTIONS | KEF Porsche Design Space One | Bowers & Wilkins PX7 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
|---|
| OTHERS | KEF Porsche Design Space One | Bowers & Wilkins PX7 |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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