In depth comparison and review of KEF Porsche Design Space One and Poly Blackwire 8225. 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 | Poly Blackwire 8225 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Height | 8.2 cm | - | |
| Width | 19.5 cm | - | |
| Depth | 17 cm | - | |
| Weight | 330 g | 186 g | Poly Blackwire 8225 are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | KEF Porsche Design Space One | Poly Blackwire 8225 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 12 mW | - | |
| Sensitivity | 94 dB | 84 dB | KEF Porsche Design Space One have higher sensitivity than Poly Blackwire 8225. |
| Impedance | 16 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | KEF Porsche Design Space One have a thicker diaphragm than Poly Blackwire 8225. |
| Magnet Material | Neodymium | - | |
| Features | Voice control, Bluetooth aptX technology | SoundGuard DIGITAL Technology |
| MICROPHONE | KEF Porsche Design Space One | Poly Blackwire 8225 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | KEF Porsche Design Space One | Poly Blackwire 8225 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | KEF Porsche Design Space One | Poly Blackwire 8225 |
|---|
| Cable Type | Headphones cable - detachable | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | KEF Porsche Design Space One | Poly Blackwire 8225 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 850 mAh | - | |
| Battery Life | 110 hour(s) | - |
| CONNECTIONS | KEF Porsche Design Space One | Poly Blackwire 8225 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (USB Type-C) |
|---|
| OTHERS | KEF Porsche Design Space One | Poly Blackwire 8225 |
|---|
| Software Certification | - | Zoom Certified |
|---|
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