In depth comparison and review of KEF Porsche Design Space One and Sennheiser HD 250BT. 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 250BT |
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Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
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Height | 8.2 cm | - | |
Width | 19.5 cm | - | |
Depth | 17 cm | - | |
Weight | 330 g | 125 g | Sennheiser HD 250BT 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 HD 250BT |
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Headphones Form Factor | Full size | On-ear | |
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Headphones Technology | - | Dynamic | |
Ear Cups Type | - | Closed | |
Adjustable Headband | - | Yes | |
Connectivity Technology | Wireless, wired | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Sennheiser HD 250BT 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 | - | KEF Porsche Design Space One are equipped with active noice cancellation. |
Noise Isolating | - | Yes | Sennheiser HD 250BT are equipped with a noise isolating function. |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | Sennheiser HD 250BT 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 | 110 dB | Sennheiser HD 250BT have higher sensitivity than KEF Porsche Design Space One. |
Impedance | 16 Ohm | - | |
Diaphragm | 40 mm | 32 mm | KEF Porsche Design Space One have a thicker diaphragm than Sennheiser HD 250BT. |
Magnet Material | Neodymium | - | |
Features | Voice control, Bluetooth aptX technology | Audio prompts |
MICROPHONE | KEF Porsche Design Space One | Sennheiser HD 250BT |
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Form Factor | Built-in | Built-in | |
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Microphone Technology | - | Electret condenser | |
Microphone Operation Mode | - | Omni-directional | |
Frequency Response | - | 100 - 10000 Hz |
REMOTE CONTROL | KEF Porsche Design Space One | Sennheiser HD 250BT |
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Controls | - | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call |
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CABLE | KEF Porsche Design Space One | Sennheiser HD 250BT |
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Cable Type | Headphones cable - detachable | USB-C charge cable - detachable | |
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Detachable Cable | Yes | - |
BATTERY AND CHARGING | KEF Porsche Design Space One | Sennheiser HD 250BT |
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Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
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Battery Capacity | 850 mAh | 190 mAh | KEF Porsche Design Space One have a higher battery capacity than Sennheiser HD 250BT. |
Battery Life | 110 hour(s) | 25 hour(s) | KEF Porsche Design Space One lasts longer on a single charge than the Sennheiser HD 250BT. |
Charging Time | - | 3 hour(s) |
CONNECTIONS | KEF Porsche Design Space One | Sennheiser HD 250BT |
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Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
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OTHERS | KEF Porsche Design Space One | Sennheiser HD 250BT |
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Included Accessories | - | USB-C charging cable | |
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Compatibility | - | iPhone, Android phone | |
Compliant Standards | - | Bluetooth Class 1 |