In depth comparison and review of KEF Porsche Design Space One and Sennheiser HD 450BT. 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 HD 450BT |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 8.2 cm | - | |
| Width | 19.5 cm | - | |
| Depth | 17 cm | - | |
| Weight | 330 g | 238 g | Sennheiser HD 450BT are lighter than KEF Porsche Design Space One headphones. |
| Colour | Titanium | Black | White | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | KEF Porsche Design Space One | Sennheiser HD 450BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 450BT can be folded. |
| Connectivity Technology | Wireless, wired | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Sennheiser HD 450BT 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 | 18 - 22000 Hz | Sennheiser HD 450BT 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 | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | - | |
| Features | Voice control, Bluetooth aptX technology | - |
| MICROPHONE | KEF Porsche Design Space One | Sennheiser HD 450BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | - | 80 - 6000 Hz | |
| Microphones Included | - | 2 |
| CABLE | KEF Porsche Design Space One | Sennheiser HD 450BT |
|---|
| Cable Type | Headphones cable - detachable | Audio cable - detachable USB-C charge cable - detachable |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | KEF Porsche Design Space One | Sennheiser HD 450BT |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 850 mAh | 600 mAh | KEF Porsche Design Space One have a higher battery capacity than Sennheiser HD 450BT. |
| Battery Life | 110 hour(s) | 30 hours | KEF Porsche Design Space One lasts longer on a single charge than the Sennheiser HD 450BT. |
| Charging Time | - | 2 hours |
| CONNECTIONS | KEF Porsche Design Space One | Sennheiser HD 450BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | KEF Porsche Design Space One | Sennheiser HD 450BT |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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