In depth comparison and review of KEF Porsche Design Space One and Bowers & Wilkins PX. 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 PX |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - Bluetooth - wireless - USB, 3.5 mm jack | |
|---|---|---|---|
| Height | 8.2 cm | - | |
| Width | 19.5 cm | - | |
| Depth | 17 cm | - | |
| Weight | 330 g | 335 g | KEF Porsche Design Space One are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | Space grey | Soft gold | |
| Earpad Material | - | Soft leather, memory foam | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | KEF Porsche Design Space One | Bowers & Wilkins PX |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Bowers & Wilkins PX 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), 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 HD | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 20000 Hz | Bowers & Wilkins PX 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 PX have higher sensitivity than KEF Porsche Design Space One. |
| Impedance | 16 Ohm | 22 Ohm | |
| Diaphragm | 40 mm | 40 mm | Both headphones are designed with same thick diaphragm. |
| Magnet Material | Neodymium | - | |
| Features | Voice control, Bluetooth aptX technology | Bluetooth aptX technology |
| MICROPHONE | KEF Porsche Design Space One | Bowers & Wilkins PX |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphones Included | - | 6 |
| REMOTE CONTROL | KEF Porsche Design Space One | Bowers & Wilkins PX |
|---|
| Controls | - | Volume control, on/off, answer/end, play/pause, next/previous track |
|---|
| CABLE | KEF Porsche Design Space One | Bowers & Wilkins PX |
|---|
| Cable Type | Headphones cable - detachable | Headphones cable - detachable - 1.2 m | |
|---|---|---|---|
| Detachable Cable | Yes | Yes |
| BATTERY AND CHARGING | KEF Porsche Design Space One | Bowers & Wilkins PX |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 850 mAh | 850 mAh | Both headphones are designed with the same battery capacity. |
| Battery Life | 110 hour(s) | 50 hour(s) | KEF Porsche Design Space One lasts longer on a single charge than the Bowers & Wilkins PX. |
| Battery Life Details | - | Continuous playback (noise cancelling OFF / cable connection): up to 50 hours Continuous playback (noise cancelling ON / cable connection): up to 33 hours Continuous playback (noise cancelling OFF): up to 29 hours Continuous playback (noise cancelling ON / Bluetooth): up to 22 hours |
| CONNECTIONS | KEF Porsche Design Space One | Bowers & Wilkins PX |
|---|
| 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 PX |
|---|
| Included Accessories | - | Protective pouch, USB charging cable (120cm) |
|---|
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